billhulbert

Gm 3100 coolant leak


6. Nov 13, 2016 · Re: 2008 Chevy Malibu LS Coolant Leak It looks like the 3100/3400 engine family, and if so, I believe that is a coolant return tube. 4L V6 engines is coolant leaking from the intake manifold gaskets. 800. 4L V6 (VINs J, E) are susceptible to springing oil and/or coolant leaks at the lower intake manifold gasket. 2008-08-16 01:51:23. On my 2000 Chevy impala it is leaking antifreezze under were the belts are what could cause this problem. This is less than 6 percent of the 25 million examples of the V6 installed in GM vehicles between 1975 and 2008. Eventually, the loss of coolant causes the engine to overheat, which may cause additional damage such as a cracked cylinder head or crushed head gasket. 11 Mar 2014 GM 3. GM recalled 1. At first it was just a pint every month or two but lately it was more like a pint a day. It can be hard to see, but they seap from the gasket that is on each cylinder head. Sunday, September 16th, 2012 AT 7:01 PM 1997 Chevy Lumina The Coolant Leaks Into The Engine. If your vehicle leaks too much coolant, your engine can overheat. There seems to be a chronic intake manifold gasket problem with this engine. 5. Coolant then starts to leak down into the lifter valley and crankcase. Eventually leading to a cracked cylinder head or crushed head gasket. Typically as the IAC’s pintle extends, air flow to the engine is restricted as the air passage is shut off. pressure test and the problem was found. Leaking coolant, replaced "cross over" gaskets. We still have leaks, installation problems as well as cylinder head and rocker bolt issues. (An internal coolant leak means that coolant leaked from one vehicle component been offered for sale with an engine other than a 3. 2L MILEAGE-105868. The car is losing coolant, the low coolant sensor comes on every few hundred miles. This may give a check engine light, also. A 360° Look Into the GM 60° 3. I found the coolant leak in the upper intake manifold, but decided to go all the way down to the head gasket seeing as the 90k mileage suggests it was due. The leak was hard to find and I ended up making a good first place to start to finally find the problem. Posts: 1,130 Feb 08, 2010 · Use the Fel-Pro gasket. Click Pictures For Larger Views Re: GM 3100 water leak ? The intake on the 3. Locate parts near you. A cooling system needs to be serviced every two to three years. 0 ford the coolant is now run 3/4 of an inch below minimum, per Fords revised spec, cold and does not lose coolant. Now it hovers around 215-230 at idle with the fan on. 1, 3. Nov 27, 2009 · It is very common for the lower intake manifold gasket to fail on the GM 3100 V6. So, if you want to learn how to check The motor is 3100 sfi v6 Was this . 8L engines. Find Chevrolet Performance Coolant Crossover Pipes 12602544 and get Free Shipping on Orders Over $99 at Summit Racing! These Chevrolet Performance coolant crossover pipes are designed to connect the steam vents on each of the cylinder heads to a hose that usually goes to the radiator neck. Engine coolant circulates through your engine to keep it cool in the summer but won't freeze in the winter. The 2003 Chevrolet Malibu has 51 problems reported for leaking coolant, cracked intake manifold gasket. 1 or 3. This leak condition allows oil or coolant to collect and accumulate in the cylinder head spark plug Oct 10, 2019 · GM 3100 - 3400 Engine - Issues With Head, Manifold Leaks, Rocker Bolts Surprize ! GM 3100 – 3400 engine issues are still happening and are being repeated. One of the most common problems on the GM Vortec ‘Spider’ 4. Many drivers, who find a slow radiator coolant leak, will often decide just to add some fluid and leave it, with the intention of taking care of it at a later time. It could very well be one or both of the coolant crossover gaskets are leaking. Edited May 19, 2013 by j-ten-ner ACDelco is a true OEM parts brand offering 90,000+ auto parts for Chevy, Buick, GMC, Cadillac, discontinued, and non-GM cars or trucks. 1 that is known for intake leaks. I am not sure what size resistor to use. Especially if the engine has already overheated once. Dec 17, 2019 · GM 3100 – 3400 Engine With Intake Manifold Removed. BTW - The VIN "J" 3100s have a new torqueing procedure on the LIM bolts both pattern and torque value. helpful? Yes. If you then lose coolant you have an issue. (Fig. The way today’s cooling systems are designed, coolant leaks can be tricky business to diagnose. Aug 26, 2016 · Sadly for most hardcore Chevy fans, this 1951 3100 pickup truck is powered by none other than a 302 Ford motor paired to a 4-speed automatic transmission. I bought my Sonic used, from a family member that needed to sell it. These are also know as the 3100 and 3400. The engine itself went through continual evolution and improvement during its production life, ­including Gen II and Gen III versions, plus an “Enhanced 3100” version from 1999 to 2001. 8 motor the intake . Blowing the cap off sounds like a head gasket to me and they are pretty common on the 3100 & 3400 GM 60degree V6 engines. Jul 29, 2019 · 2. The head bolts do go into water jackets, but I used Permatex #2 on the threads, so I don't think the leak is coming from the head bolts. Misfire codes P0300 and oxygen sensor codes will be stored in the computer memory. We speak from firsthand experience. Mar 08, 2010 · The leak is coming from the back passenger side of the engine. Messages 660 Location Jan 28, 2011 · GM 3100 engine leaking coolant? Car leaks coolant, it was dripping from near the oil pan underneath the car, and I tracked it up as far up as directly underneath the thermostat, but when I used a mirror to view the underside of the thermostat, I could not see any leak. 26 May 2008 GM Dexcool class action lawsuit settlement information. If it Jul 07, 2019 · Definitely no sign of coolant in the oil. 0. 4L V6 engines as well as 4. 3. A coolant leak is far less likely to occur after removing and replacing the lower radiator hose that is held in place by a very strong metal spring hose clamp. 1L V6 Mysterious Antifreeze Leak GM 3. Jul 31, 2007 · Coolant Leak I had a leak on the bypass hose above the water pump, very slow leak not like the symptoms you are describing. As with all our aluminum radiators, this GM 3100 Series radiator includes the Mishimoto Lifetime Warranty, ensuring superior j-29545-6a coolant leak detection dye kent-moore gm spx black light. 1L and 3. The video above shows you where the coolant reservoir in your Malibu is located and how to add coolant. gm wont warranty them cause i have to many miles but im gunna go ahead and rebuild the whole thing lol but thanks for all the help guys!! love this site deff been a Intake Manifold Coolant Leaks The Buick 3800 V6 is a fairly reliable engine, but coolant leaks on the Series II 3800 engines with the plastic intake manifold have been a problem. 0 liter GM engines often leak at the rear main seal area. Generally the 3100 head gaskets don't fail unless the car is overheated due to a bad water pump/stuck thermostat, which is the cause of death of most 3100s. They want $800 to replace the cover and gasket, flush the coolant system, and replace the Dex-Cool. /Mo), but the car was not smoking or leaking the oil anywhere that I could see. You should expect to start seeing results after 100-200 miles of driving. Aug 06, 2011 · How to replace a water pump on any 3100 V6 engine. It used to be that you could replace a factory 195 degree Chevy Malibu 3. 0L V6 Engine - Head of determining if coolant is leaking? in the trunk that's not an unsafe donut that can't support a 3,100+ pound engine and a Jerry, The drywall mud trick sounds extreme. GM designed a new gasket to fix the issue, but you I tell most people that buy the 3100-3400 that they are good engines, but always keep an eye on the coolant level. General Motors uses a cover plate, on the rear of the engine, in which they mount the seal. The reason for this type of white smoke is due to burning coolant that somehow got mixed up. A friend of mine has a 2002 Century with a 3100 engine, 65,000 miles. I am going to go ahead and replace it and see what's what. Dec 22, 2017 · Coolant Loss Check for coolant leaks at the welded flange on the Exhaust Gas Recirculation (EGR) coolant return pipe (Fig. The leak is not originating from the overflow tank, radiator, The AERA Technical Committee offers the following information regarding engine oil or coolant leaks on 2010-2018 GM 3. View large pictures below of common coolant leak areas on the GM 3100 and 3400 V6 engine. You may have to register before you can post: click the register link above to proceed. Apr 28, 2007 · I have a 98 Grand Am with the same motor, and the intake manifold gasket leaking coolant is very common on these cars (just google "3100 intake manifold gasket"). How many quarts of coolant does an 05 malibu LS v6 hold? Mar 13, 2018 · A slow leak over time will cause a bunch of gunk to build up around the pump. 1 timing cover and intake gasket replacement on my Turns out, there was a coolant leak at the timing cover. 2 L) and initially marketed as Fireball at its introduction in 1962, was a large V6 engine used by General Motors. 651. Jan 06, 2014 · Auto-Trend Repairs and Service Information Forums-> General Motors-> 3800 V6 3. Now, I'm leaking water and coolant like crazy. (Page 1 of 3) May 31, 2012 · The General Motors 3. HELP! My car has 118898 miles. If you are replacing your intake manifold gaskets, replace these at the same time. 3L, 5. I tested the heat and coolant resistant on the stuff 2001 Buick Century Custom, 112,000 miles. 4-liter engines are known for intake manifold gasket leaks. The hot coolant forces its way out of the engine. I have both a coolant and oil leak. gm 3100 and 3400 are the problem engines. The block is made of cast iron and all use two-valve-per-cylinder iron heads, actuated by pushrods . GM 3100,3400,3500 Engine Coolant Temp Sensor Replacement GM 3100,3400,3500 Engine Coolant Temp Sensor Replacement Disclaimer: This video is not meant to be a definitive how to. The General Motors 3100 is a 3. SOURCE: Leaking Coolant I believe the other one is underneath the motor mount, which means you will have to remove the mount of you need access to it. Coolant Level / Quality. 3 had these heads on. This leak may be related to upper intake manifold composite material that may degrade Jul 04, 2020 · GM L81 3. Mar 13, 2018 · A slow leak over time will cause a bunch of gunk to build up around the pump. A stock Chevy radiator cannot handle the heat that comes along with having a great deal of horsepower. GM 3. How to diagnose and repair coolant leaks. Aluminum is what GM should have used in the first place. I recently noticed that the car was using oil (approx 2 qts. 1L Engine Coolant Leak Quick Fix. so long. So, if you want to learn how to check The upgraded gaskets are not a factory part for the 3100/3400, but they are for the 3800. Symptoms of water pump failure from least to most severe: Coolant leak. That’s because most people are still confused about the GM 3100 – 3400 engine issues. I can't pinpoint exactly where the leak is. A leaking fuel pressure regulator can cause your car or truck to be hard to start or die out. 4-liter dexcool gasket leak problems GM 3. But there is water/coolant just sitting in the hose running from the water pump to the radiator. The engine itself went through continual evolution and improvement during its production life, ­including Gen II and Gen III ­versions, plus an “Enhanced 3100” version from 1999 to 2001. Jan 21, 2008 · I haven't talked to anyone that has one that didn't leak a ton of oil - mine leaks about a quart of oil every ~250 miles/1 week. While detecting a coolant leak can be difficult, there are a few places to immediately look. 1L V6 engine enjoyed a long production run from 1988 through 2005. Jay 1994 Oldsmobile Cultass Supreme SL-Modded 1995 Chevy K1500 350c. If any of your radiator hoses look dry, brittle, cracked or deformed, stop now and go buy new hoses to avoid wasting all of your fresh coolant when an old hose bursts or splits. Attempting to fix myself, but with having to buy jack stands and flush the coolant as well is extremely inconvenient, as I am in a major time crunch to fix it in less than 12 hours and I didn't detect signs of the problem before the loud squealing/grinding that started today. I drove the car to work only to find that it was leaking coolant again. I have a 2002 GMC Sierra Z71 with a 5. 4 million cars with its 3800 model V6 engines. Oct 10, 2018 · Mysterious Coolant Leak Hello, 1998 3. 1L V6 engine the more likely the intake manifold gaskets are leaking coolant. IF IT LEAKS INTERNALLY DO NOT DRIVE YOUR CAR AND GET IT FIXED. If your coolant system is leaking, it will not be able to properly cool the engine may even result in overheating. GM TSB 03-06-01-010 specifically references failed intake manifold gaskets on the 3. The coolant bypass only serves to bring the heated coolant close to the bottom of the throttle body to speed warmup / prevent freezing / binding of the linkage in extreme cold climates. The lower intake manifold gasket fails and leaks coolant into the engine oil. 7 Fig. net! I'm Daniel, aka Duke George V, and this is my Let's Play of GM 3100 Head Gasket Job!This is going to be a blind playthrough, so it'll be just as exciting for me as it is for you! 2003 Chevrolet Malibu cooling system problems with 87 complaints from Malibu owners. 3L, GM vehicles use Dex-Cool. I had the dealership replace the manifold gasket the first time at about 40,000 miles before it got to the point of leaking coolant into the oil. The coolant temperature sensor , abbreviated as CTS, in your car is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the Dec 25, 2007 · Dexcool is terrible fluid and GM has acknowledged problems with cars that use it but they still say its not the coolant. And the coolant isn't leaving tone reservoir to go into the radiator. 1-liter and 3. Engine rattling noise. If yours is the 2008 "Classic" then it can be moved back, otherwise it's a Gen7. if that was the case the crankcase would be full of coolant. The inlet and outlets provide precise leak-free connections. Where exactly is the water pump on a 1998 3rd gen? 2. Apr 15, 2006 · CTV reports that some General Motors vehicles may have a serious defect which could lead to total engine failure. The truck hasn't overheated at all ever since, however coolant leaks through the top of the engine block. A sticking thermostat would cause the engine to overheat and then loose coolant from the overflow tank. Then the loud bass comes from trunk (took to dealership 2x for this until it was fixed). Make sure to check your engine when it is cold for an accurate reading. Adding engine coolant (also known as antifreeze) to your 2004 Buick Century is pretty easy. 00+. 1 and 3100 and Other W Body. Recently replaced coolant, DexCool in my 2003 GMC 1500 Sierra 4. It will same you some trouble. The leakage problem can occur in as little as 60,000 GM recalled 1. Unless it's an overhead cam, a head gasket won't be the issue. Access our GM Full-Size Trucks 1988-1998 Upper Intake Manifold Repair Guide Removal and Installation by creating an account or signing into your AutoZone Rewards account. 1 rear oil leak at oil pump drive unit - Duration: 2:22. 1L Engine Teardown Part 1 In this video series, I will show you how I did an engine teardown on a 3. There is more than one reason for some of the symptoms, but replacing the gaskets is a cost-effective fix to the problem. Then check to make sure that you don't have a leak from the water passage to a cylinder. well if you didnt blow a head gasket, then you blew the intake gasket which is a very common occurance in the 4. Hubby thinks it may be lower radiator hose but I am beginning to wonder of it may be the water pump? Heat really only blows hot while car is in motion and this only started once weather got colder. The coolant reservoir collects the hot coolant for recycling back into the radiator once it has cooled down. The coolant in the radiator is still not quite to the very top, and it has a steady drip from somewhere below the alternator. Valve lifters sometimes stick, or bend in extreme situations. 8 In addition, check the O-ring seal on the EGR coolant feed pipe for a coolant leak. If it had green it, put green back in it, if it had Dexcool, put Dexcool back in it. Add your vehicle in Manage My Vehicles. But there are no leaks or anything. The issue is the intake manifold gasket in some GM vehicles. These are two entirely different animals. Still seems a little hot to me but the fan doesn't even come on till 220. The pellet's expansion forces the valve open. Product Features: The inlet and outlet provide precise leak-free connections. The Northstar engines have a really pricy gasket replace cost and if they aren't to bad, a system flush and a real good engine leak seal treatment will usually work. RichardS. CS with 3100 V6, around 218k kms. Adding engine coolant (also known as antifreeze) to your 2003 Buick Century is pretty easy. Average repair cost is $820 at 75,050 miles. This often occurs after an engine has overheated for some other reason, such as when the water pump fails, or if a large coolant leak develops. They'll be happy to put a new engine in for me  22 Sep 2010 Gaskets are the bane of most complex vehicles, but that doesn't mean that every time the coolant is leaking from the Chevy 3. 2 – Engine Might have a Head Gasket leaking Coolant. after a quick description View large pictures below of common coolant leak areas on the GM 3100 and 3400 V6 engine. Coolant leak. . 4L. You can tell by pulling out your engine oil dipstick. I recently had to do the gaskets on my 3800 II, as the upper was shot again( thanks for that plastic intake GM ) For GM 3800 engines. The most common problems I've seen with the 3. Dec 28, 2009 · The Forgotten 261 6 Cylinder Engine. When you replaced the thermostat did you run your finger around the coolant area to verify any sludge, metal, or contaminants? Helpful intake video: GM 3100,3400 Thermostat Replacement. More than 10 million of these engines were built during this period. My questions are: 1. The problem can also be a leaking coolant bypass tube, and this video will show you how to diagnose and fix that problem. Fixed The car in question is a 1998 Buick Century with 80,000 miles. Sticky valves can be fixed; bent valves require replacement. Yes it can but the intake is probably the bad guy. dexcool is Nov 16, 2016 · Helpful tips for replacing the Coolant Level Sensor on a GM 3. A 50/50 mixture of antifreeze and distilled water flows around the engine during use, keeping it from overheating, so a leak can mean trouble. I need to know how much coolant to buy. Check behind the power steering pump and alternator for signs of leaking. The leakage problem can occur in as little as 60,000 04-19-09 04:33 PM - Post# 1680270 In response to mikeski If the coolant is flowing from the bolt, just remove the bolt and put some sealer on it. Check engine light have been on for 3 yrs. Loading Autoplay When autoplay is enabled, a suggested video will  30 Jun 2012 Not sure if it is the timing chain cover gasket but it sure might be. expands as the engine coolant warms. Where is the coolant temperature sensor on a 1995 Monte Carlo ls 3100 v6? Look where the thermostat is attached to the intake manifold Abnormal Coolant Consumption or Leaks in GM 3800 Series II Engines Some installers may comment on excessive engine coolant consumption, or an engine coolant leak near or under the throttle body area of the upper intake manifold on 1995-1999 GM 3. The complaints you're likely to get irom customers can vary from oily spots on the driveway to continually having to top General Motors had alot of problems with them. - Water pump. 3 are known for the lower intake going bad due to the dexcool being acid based destroying the crappy gaskets and the 3. 3 V6 (2000) e. Thank you so much, on my 1999 Malibu 3. ACDelco GM Original Equipment Engine Coolant Outlet O-Rings are formed elastomer gaskets that form the water-tight seal between the engine coolant outlet and the engine block or head, and are GM-recommended replacements for your vehicle's original components. Just wanted to say DON'T remove the big metal pipe that the bypass hose connects to. What is the cost to diagnose the P0125 code Labor: 1. Intake Manifold Gasket replacement GM 3100 V6 95' grand Prix - Duration: 1:31:59. And I used to be a Chevy guy through and through. Go. Next Last. Have your system checked for CO2 with a fluid tester. Between 1954-1962, Chevrolet produced their famous full oil pressure 235 cubic inch six cylinder in trucks and it soon proved to be one of the greats among engines. I fixed that, it stopped the leak, but then I started to see coolant flung up on the cross member/accessories. replace oxygen sensor. If you did everything correctly, the motor should sound & look like this - GM 3800 Series II Engine Video. 1 V6 Timing cover coolant leak. 3, 5. j-ten-ner. com Search Catalog: Jul 19, 2020 · Original review: Jan. GM reports that many of its 1999-2003 mid-size cars and minivans with the 3. i. Once you sign in, follow these instructions to access our Repair Guides. 148000 mi US $350: check engine light came on again replace solenoid in evaporation tank. Just recently it started running hot. 7L engines is coolant leaking from the intake manifold gaskets. My low coolant light has been comming on for some time, and I checked coolant levelels and they were ok. In some cases coolant may intermix with the engine oil due to lower intake gasket failure, this can easily be misdiagnosed as leaking head gaskets. I'm hoping they can rebuild the original generator that was on the truck because its an industrial generator and just want to drive the truck and not have to rewire it right away. 92 chevy lumina apv Jul 17, 2020 · Leaking Coolant Leaking coolant might be a reason why your car smoke is white. Coolant Leaks On The GM 3100 (3. 1-liter or 3. Normally the owner has tried in vain to find the leak and sometimes, multiple auto repair shops have been unable to find a source. 8, 2wd. The O-ring may be pinched or rolled. 6 liter engine, coolant leaks are most likely to occur where the hoses connect to the engine. Engine Oil or Coolant Leak (Install New Intake Manifold Gasket) # 03-06-01-010B - (10/24/2003) Engine Oil or Coolant Leak (Install New Intake Manifold Gasket) My car started leaking a sizable amount of coolant recently and I suspected the water pump to be the problem. Jun 15, 2011 · The coolant loss seems to go down about an inch every ~2-3 weeks. I can notice the trail of coolant coming down between the tranny and the back of the engine. Why should the consumer be responsible for the cost of fixing this problem when gm is aware of it but does nothing about it. One of the most common problems on the GM 3. ENGINE:3100 V6 DESCRIBE ISSUE. 5spd Z71-Modded Apr 10, 2012 · A miscalibrated coolant temperature sensor (CTS) can result in excessive NOx emissions and overheating by masking problems with insuffient coolant. Browse Item # 3100K, 3/8" Connector to 10mm Nylon GM in the FMSI Automotive Hardware catalog including Item #,Product,Description,Style Call Toll Free: 1. I recently had to do the gaskets on my 3800 II, as the upper was shot again( thanks for that plastic intake GM ) Feb 21, 2010 · 1998 Lumina 3. 2L four, or a 160 hp 3100. 21 Apr 2013 I was given a diagnosis of blown head gasket, with exhaust gas leaking into the cooling system. 2L V6 engine (92-95). The intake manifold gaskets in 1988-1998 GM pickup trucks also often develop external engine oil or coolant leaks. 8, 2020. 1L - 3. Well, it seems that several coolant flushes with some cooling system cleaner got rid of the overheat problem. 16 Nov 2014 Malibu or GM 3. - Thermostat (My gasket was so corroded). The plastic coolant elbows on the front of the 3800 motors crack and leak, as do the plastic intake manifold gaskets. The GM IAC has a pintle that extends or retracts into or out of an idle (bypass) air passage in a throttle body or intake manifold attached to the engine. If your cooling system has not been serviced (changing the coolant), it should be done now. the 3800 is widely hailed by professional mechanics as "bulletproof. Externally just makes a mess. (GM Has awful clamps on the hoses) - Anywhere on the fins of the radiator, or down by the ends. GM and other manufacturers themselves Where is the crank sensor located at. And for those that say switching back to regular antifreeze will somehow hurt the cooling system that isnt true at all. I couldn't tell where it was coming from, so I took it back to the shop. I believe for the 60 degree motor Fel-Pro makes an aluminum gasket kit. Sep 06, 2007 · For the record, a V-8's cooling system is the most forgotten and neglected part of any hot rod. Apr 29, 2015 · Posts: 3,100 Quote: Originally Posted by loisjop. 2L 120292 2005 CHEVY MALIBU 2. 8, and 4. Dec 01, 2001 · The engine is called the Vortec 4200 I6 and was initially created for General Motors’ midsize sport utility vehicles. , Trans, The timing cover gasket can cause a coolant leak and is a PITA. 1 liter engine Level of difficulty: INTERMEDIATE Approximate installation time: 1 Hour Tools Needed: pick, and flat blade screwdriver Additional parts: Anti-freeze Pretty major coolant leak while car is parked. Over 10 million of these engines were built during this period. 7/350 Chevy Coolant Leak: RVThere: Oct 24, 2017 · So i came outside after work and discovered a coolant leak under the truck. 1 Jan 2017 1997 Chevy Lumina 3. You might also see a good deal of rust around the pump and, if you look closely, pitting (corrosion that creates small holes in the metal) or cavitation My truck ain't running hot or overheating. A lot of people still believe that its the coolant as do I. 1-liter engine has a notorious weakness, a failure mode that GM will not cover after the warranty expires. dye lite # tp-3100-0601 leak detection tracer dye vio-lite 310012, 390012 diesel. they wont fail Apr 13, 2019 · Look for coolant leaks. Thermostats occasionally get "stuck shut" which cuts off the cooling capacity of the radiator, at least partially. There's no reason to change the coolant, the coolant isn't doing anything to the gasket that water wouldn't do to it. And PLEASE don't try stop leak products. Order Engine Coolant Crossover Pipe for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Near coolant temp. 4 engine I would recommend inspecting for leaks from the lower intake gaskets. Please note that the 3100 water pump is notorious for failing without leaking, by means of the impeller not turning by breaking loose from the shaft. The auto repair labor rates vary widely across the country, and even within the same city. Reply With Quote 10-03-2018, 02:52 PM I'm Daniel, aka Duke George V, and this is my Let's Play of GM 3100 Head Gasket Job! This is going to be a blind playthrough, so it'll be just as exciting for me as it is for you! GM 3100? Why that version? Well, that's what the car came with! This is a 1996 Buick Century, and your choices were a 110 hp 2. On my 6. answer. 5 you shouldn't get any mixing of antifreeze and oil if you're thinking intake manifold gaskets like the 3100/3400 motors. If it gets really bad, then you might even see steam and puddles of coolant from under the vehicle. The NADA clean retail value is only $4525. 1L Engine Coolant Leak Quick Fix Malibu or GM 3. A leak in this part will could lead to more expensive repairs down the road. You will need these when your plastic ones fail. Dec 17, 2014 · Where GM engines do excel is coolant leaks, however. It is important to note that not all instances of coolant loss on these engines is the result of head gasket failure. 4L (aka 3100/3400) motors causing coolant/oil leaks. Head gasket replacement is about $3100. gm made platic gaskets on these motors and when i took my engine apart the gaskets were almost disinagrated The I now have a 2000 Buick Century with the 3. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Radiator, water pump, hoses etc. Thanks Jan 25, 2019 · The Chevy 3. Great replacement for all plastic 3. Eventually, the loss of coolant causes the engine to overheat; which may cause additional damage. This problem has been a gold mine for GM and the auto repair industry. The 3100/3400 of course Looks like i have a small leak from the water pump which needed a rebuild prior to storage. The Mishimoto Chevrolet 3100 Series Aluminum Radiator is manufactured using durable aircraft-quality aluminum end tanks, precision TIG-welded to an efficient brazed aluminum core. 1L 217K Miles - I have a coolant leak. 1) and 3400 (3. 8L engines have come to us because they continue to lose coolant. The 5. Aug 03, 2014 · Timing chain cover to engine block water coolant leak. 6L Duramax diesel engines. If it's just dripping , may I suggest servicing the cooling system then adding one tube of " Silver Seal " stop leak compound , found at NAPA stores and truck stops ~ this is the very same stuff used in brandy new cars as they're being manufactured by ALL the American manufacturers 1999 Chevy Malibu Low Coolant Light Flickering I had just put in a brand new radiator on my 1999 Malibu, and the coolant low light will not turn off, the coolant should be full up, but the light doesn’t turn off and the car stays at a even temperature just a hair above the mid point. But anyway, a little higher temp in stop and go traffic is normal. You might also see a good deal of rust around the pump and, if you look closely, pitting (corrosion that creates small holes in the metal) or cavitation It's most likely the catalytic converter clogging 60 bucks cheap fix. First off, I have visually confirmed that the car is indeed leaking coolant from the lower intake manifold gasket below the throttle body. I fill up the reservoir tank, get it up to temperature and watch for leaks but there is literally none at all. If coolant is coming out of your exhaust it means you have a crack or bad gasket seal between the cooling system and the intake/exhaust manifold, or the cylinder head/cylinder wall. With the Northstar, without the addition of the little sealant pucks in the cooling system, coolant can literally weep from the pores in the block. It is an orange color, to truly differentiate it, and is an extended-life coolant, known to work up to 100,000 miles. I would like to know, personally Idle Air Control Motor (IAC) Knock Sensor Depends on where the coolant is going. Howdy, A-body. I couldn't get in close A leaking fuel pressure regulator can cause your car or truck to be hard to start or die out. Coolant leaks but later on after sitting. The shop replaced the intake gaskets. If you're reading this article, you've probably already experienced and repaired this issue (at least once), or are in the process of repairing it or will be soon enough! it's as inescapable as taxes 3400 and 3100 look roughly the same. Took it to Firestone and they say the water pump is fine and the leak is coming from the timing cover. Serpentine belt falls off while driving Apr 24, 2013 · A-Body. Gaskets are the bane of most complex vehicles, but that doesn't mean that every time the coolant is leaking from the Chevy 3. Jan 28, 2016 · That GM coolant is a great coolant until it's not and must be changed when it should be, because when it gets old it gets corrosive. if so, thats your problem and make sure to get the metal more expensive felpro intake gasket set. Mar 15, 2008 · Heater Core Repairs Peter ; It depends on _which_ core you need as there's a couple of different heaters used . 1. Jun 30, 2012 · You have the 3100 V6. If a vehicle has a leak that is not constant (often called Sep 13, 2005 · GM even released a TSB. No leaks. But today,the antifreeze didn’t work. I tell most people that buy the 3100-3400 that they are good engines, but always keep an eye on the coolant level. This connects the front of both cylinder heads. This GM 3100 Series performance radiator also includes a Magnetic Oil Drain Plug, which effectively removes metal fragments circulating in the cooling system. 2. In October of 2018 the first recall. Bought 2018 Chevy Malibu in August of 2018. Car ran extremely hot and started smoking from under the hood! Mechanic says it a timing cover gasket leak. General motors produced the 3100 sfi sequential fuel injection v 6 engine for its cars from 1993 to 2003. A few mistakes here. The car has been well cared for, with all regular maintenance performed on time. The indication is apparent when white smoke appears while the car is running, but not when you start it. Our technicians tell us that operating the engine with a coolant/oil mix can result in internal engine damage. I have had a coolant leak for about 2 years or so. The local garage has added coolant, replaced the coolant sensor :screwy:, and flushed the entire system. I would change it back to regular antifreeze just to be safe. Paul Apr 13, 2019 · Look for coolant leaks. 1 liter engines are mostly associated with neglecting to change the DEXCOOL orange anti freeze GM uses. 4L and 3. 7445 Email: info@fmsiinc. Persistent coolant loss may be the only outward symptom Often General Motors vehicles, with the 5. Malibu or GM 3. The inlet and outlet provide precise leak-free connections. Dye-Lite ® Application-Specific Dyes for water-based fluids makes finding and diagnosing coolant systems leaks faster and easier. 249000 mi US $1033: Replace failed fuel pump & sensor Attach Coolant Bottle Now re-install the coolant bottle, re-attach the battery terminals, and re-attach the passenger side of the Buick STB (if equipped with one). 4 v6 grand am there's a oil pressure sensor and you have to buy a 73-87 Chevy _ GMC Trucks » drain all the coolant leak. 1-liter, V-6 engine produced during the 1990s, and was featured on numerous GM automobile models. with this problem, the coolant leaks out fairly quickly, and could cause an engine fire if the engine gets too hot, also the coolant is flammable. I think I've heard of a class action lawsuit regarding them, but as far as I know it isn't settled and there's no money. " the coolant isn't leaking out, but in, and getting combusted and blown out the Coolant reservoir max line is for a hot engine, if filled to max cold the engine will push the excess coolant out when hot. The 3100 does NOT have a timing belt, only a timing chain (as it's Overhead Valve, or OHV). 8) Fig. The leak was on the rear of the engine on the passenger side. 1 Liter engine. As with all our aluminum radiators, this GM 3100 Series radiator includes the Mishimoto Lifetime Warranty, ensuring superior '62 Chevy C-10 Stepside Shortbed (Restomod in progress) '47 Chevy 3100 5 Window (long term project) ‘65 Chevy Biscayne 4dr 230 I-6 one owner (I’m #2) ‘39 Dodge Businessmans Coupe USAF 1965-69 Weather Observation Tech (got paid to look at the clouds) "I fought the law and the law won" now I are a retired one! Mar 04, 2017 · Leaking coolant from a cracked intake manifold gasket is an extremely common problem on most GM vehicles made from the late 90s to the mid-2000s. I had to get head and intake gaskets done on my 1999 Malibu and it had a slight coolant issue from as early as 22,000 miles, gunge in the bottom of the tank and a slow steady loss. Only major problem in that kind of car, the A/C button might malfunction, in that case, you gotta change the whole HVAC thing, and seems like my 3100 eats a lot of coolant, but no leak into the intake, no puddle on ground, but runs soild in this great 95-100F daily temps. May 20, 2020 · The leak could either be external (into the engine bay) or internal (into the intake manifold, then the combustion chamber). 7/350 Chevy Coolant Leak: RVThere: Workhorse and Chevrolet Chassis Motorhome Forum: 2: 05-02-2014 05:54 AM Order Engine Coolant Crossover Pipe for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. 3. I hope that crook was run out of the countryor force fed a 5 gallon bucket of mud. 0L, and 5. If it were, I think it would be leaking out closer to the head bolt and not the water jacket between the head bolts. Location #1 in the picture below is on the passenger side front of the engine behind the front timing cover. On this engine there is a coolant passage in the lower intake manifold that passes coolant between the cylinder heads. Discussion in ' Engine & Performance ' started by HKkid, Dec 11, 2011. Coolant Leaks or Oil Leaks From Intake Manifold Gaskets. Color was still pretty good. 0 hour of labor. cold start and idle test, electronic spark control bypassed. My car started leaking a sizable amount of coolant recently and I suspected the water pump to be the problem. **GM 3. Nov 16, 2016 · Helpful tips for replacing the Coolant Level Sensor on a GM 3. 4L) Engines. BlueDevil Oil Stop Leak is more concentrated and is the universal application that will work for various leaks such as oil pan leaks, rear main leaks, valve cover gasket leaks, etc. To replace the gaskets, you also need a jack, wheel chocks, drain pan, safety glasses, funnel and jack stands. I put some bars leak stop leak in it and it seemed to clog up my reservoir. - Hoses where the clamps are. Start A New Topic Reply Post Info unknown coolant leak GM 3100 V6` Thread starter RichardS; Start date May 21, 2017; 1; 2; Next. Jun 20, 2013 · Hi All I've got a question that I hope hasn't been asked before, does the timing chain cover on the 3400 in a 2003 impala have any coolant channels in it? My car started leaking coolant a couple weeks ago. 1957 Apache 3100 235 Inline 6, 3 on the tree 1973 C-20, 3+3 454 4BBL TH400 Water Injection May 13, 2020 · Original review: Dec. With the 3. Most people call it the dexcool gasket leak. Mine went around 95k. Despite not being called antifreeze, it still accomplishes the same task, so you don’t have to worry about replacing Dex-Cool for the winter months or anything like that. 8 engine is so common for but thats not to say its impossible that this wouldnt be the problem. Adding coolant will extinguish the light. I have a 2003 Chevy Malibu. 0, 6. May 16, 2013 · Did you check all the hose clamps? Any leaks? Coolant reservoir full? Wouldn't be the first car coming of the line leaking a little coolant due to a loose connection. 1 L not a 3. The GM water pumps do not have a weep hole anymore. net - 1982-1996 GM A-Body Forum. Year, Make & Model: 1955 Chevy 3100 Pickup Appointment Information. I know this because Ive seen far too many 3100s and 3400s leak because of dexcool. Replace the crankshaft rear main oil seal with the new design rear main oil seal, p/n 12592195 (Canadian p/n 31022784) using the following procedures. They had the same type thing on the 4th Gen Camaro. Engine Coolant Loss on 2002-2016 GM 6. I still drag race a Chevy, but it is an old school cast iron V8 and I use Engine Ice in it. 2001 Tahoe 5. Jun 02, 2008 · GM Coolant and/or oil leaks. Posts: 3,100 Man, you guys are spooking me about these radiator leaks! _____ Dave & Debbie 2014 Anthem 44B 2018 Ford F-150 Diesel 5. 7) and coolant feed pipe. Some engines such as General Motors 3. flushed it out and switched to green coolantno more issues. III and IV vortecs 4. No sludge. The previous owner said it overheated a lot, so I found out the clutch fan wasn't working properly and the radiator was clogged, plus the coolant was all rusted. These vehicles may also develop internal coolant leaks that cause coolant to mix with the engine oil, which can damage the engine. This condition can occur on either bank cylinder head and may are result in an engine miss-fire DTC. $29. Be sure to check your owners manual to determine the correct type of fluid to add - for Chevrolets, it will typically be in a section titled Fluid Capacities in the back of your manual. take your lower intake manifold off and look at the gasket toward the rear and see if it looks mishapen and kinda melted looking around the rear cooling ports. The result is that the coolant which is under pressure in the system forces its way out. 6L GM HF engines. When visually inspecting the coolant system, be sure to look for signs of spraying or leaking coolant coming from the radiator as well as the hoses and pump. Car is parked in garage every night never leaves a puddle. Well, if it's anything like the 3. Owners would typically bypass this as when the coolant is hot, it actually provides heat to the intake system, which brings down HP somewhat. The temperature gauge never shows that the car is running hot. Parts guy at the dealership told me I needed to remove it to replace the bypass hose, so I did. 1 of 2 Go to page. A blown head gasket in a diesel engine causes coolant leaks, which can cause  20 May 2020 The intake manifold gaskets seals air and coolant in the engine. I encountered a slight and intermittent coolant leak between the timing chain cover and the left side of the engine block . The video above shows you where the coolant reservoir, hoses and connections on your 2008 Sierra 3500 HD WT are located and the steps needed to fix minor leaks. If you see bubbles in your cooling system it means compression is mixing with your antifreeze. 1 engine doesnt have any plastic coolant fittings that tend to leak like the 3. still the problem intermittantly showed up. I keep adding antifreeze. Look for coolant trails leading down from the pump, or a kind of gelled coolant deposit around the outside. 0 The cost to diagnose the P0125 code is 1. Coolant then starts to leak down into the lifter galley and crankcase. The alternator on the 3100 is located right on top of the engine, and takes maybe an 45 to remove if you've never done it before. sensor, and around lower intake bolt. Nov 06, 2017 · Pouring Dec-Cool coolant into a GM vehicle Do Chevy and GM vehicles use a particular type of coolant? For a couple decades now, GM has used a type of coolant known as Dex-Cool. 3 liter motor. Vehicle for demonstration is a 1996 Chevy Lumina Works for any Buick, GM, Oldsmobile, or Pontiac with the 3. The intake manifold gasket may develop and external engine oil or coolant leak. I couldn't get in close Apr 12, 2012 · CHEVY_4_LIFE wrote:yep its the heads boys!! i pulled them off and apparently they where defective!! a picec of crap comp ( and im being nice) called castcorp stamped #706 most gen. Any help or points in any direction would be greatly appreciated. 3 s10's. Aug 27, 2018 · So if this 1995 model has a 3100 sfi v6 its 155hp. Some common antifreeze leak problems on cars and trucks. It's a $50 risk and it works, or it doesn't. As well as the usual coolant water leaks associated with my Chrysler Voyager 3. It only has 60 thousand some miles on it, but by now I am adding 1/2 pint coolant about once a week. Found this before on YouTube not Ebay. There are revised LIM gaskets that GM introduced back in later 2002-2003. WSDT runinoutofgas Feature Winner. GM reports that a new design crankshaft rear main oil seal and installation tool (EN-48108) has been released. Two days ago, my Low Coolant light came on. no external coolant leak can be detected but level still goes down and w dexcool the normal "milky" contamination of the oil sign will not be present. Oil in the head on a standard engine isn't pressurised to overcome the coolant pressure so oil wouldn't enter the cooling system until there wasn't enough coolant to overcome the oil. They leak at the lower intake manifold gasket, there is a chemical in dexcool that eats plastic parts, yet they put in a nylon/plastic lower intake manifold gasket. Sometimes it leaks very slowely for a long time and sometimes it happens real quick and gushes alot of coolant out at once. I could not put any coolant in the overflow as it would drain out overnight. The coolant light normally comes on when you are low on coolant. No +1. 30, 2017. The complaints you're likely to get irom customers can vary from oily spots on the driveway to continually having to top The Buick V6, popularly referred to as the 3800, originally 198 cu in (3. It is a 3. That is important since the 580 Case is marketed as being able to light up to 3,800 pounds in weight using the patented Hydra-Leveling Loader on the Case. You may know when this is happening because the smell of coolant will be in the cabin and it is a very distinct smell. g. Looking at the engine from passenger side where belt is, I've - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. 8 also has issues with the elbow going to the tensioner. 4L V6 engines. Nov 25, 2013 · Coolant Leak When NOT Running ( just sitting around ) If this is your first visit, be sure to check out the FAQ by clicking the link above. If it is an external leak it could be a leaking water pump. But it’s not caused by dexcool. Because of the way the engine is placed, it's actually more cost effective to just keep putting oil in it than spending $800+ to get it fixed. 1L or a 3. Most experts agree that the problem stems from GM’s “DexCool” coolant, which reacts with the intake manifold gasket, causing it to leak coolant. Eng. i had the same issue w my 04 and it involves a crack that develops in a oil drain back hole that leaks intermittently during warm-up/cool down cycle. Class action suit, see USA Today, 7/06/11, page 4B. Edited June 16, 2011 by npfd A dye test of the coolant was performed (3 times to be sure), revealing the presence of combustion products in the coolant. 8, 3. May 21, 2006 · This is my first post here so be gentle. This is an update to a post I made last week about engine using coolant. General Motors had alot of problems with Jan 11, 2010 · GM uses a rubber and plastic gasket which is bonded together. Eventually the radiator and the reservoir will run dry and lead to the destruction of the engine. 1L 3100 V6. I have checked all the signs for head gasket leak and found none, but have found a small Apr 12, 2012 · not to sure about this as far as the trucks gobut if you google the gm 3100 series engines like i have in my monte carlo you will see a ton of responsesThat dex cool SH*T ate through my intake manifold gaskets. View large pictures of common coolant leak areas on the GM 3100 and 3400 V6 engine. this problem was the subject of a recall of several gm models with 2000 to 2002 model year cars (chevy, pontiac, etc) with the 3100 and 3800 engine models. I am tearing down 2005 CHEVY MALIBU 2. I took the starter and generator off for rebuild. 1-l engine, intake manifold gaskets can fail and The lower intake manifold gasket fails and leaks coolant into the  How to diagnose and repair coolant leaks. This seal incorporates features that improve high mileage durability. Replacing your Dex-Cool coolant when the vehicle is new is the best bet, but only buys you time. 1/3100 V6's, the gaskets only serves to contain the coolant in the bypass. There is no sign of coolant in the oil, or oil changes either. I am not looking forward to the time and difficulty I am facing in changing out this gasket like I had to do twice on the Regal I had several years ago, being 3100's lose coolant because of dex cool. that's bad news all around. How to Find and Fix Leaking Radiators on Trucks. The GM gasket is fine too but I really like the Fel-Pro. It is known that with gm's 3100 and 3400 engines the coolant eats away at the head gasket causing corrosion and leakage of coolant. For older vehicles or vehicles using aftermarket coolants, use our best-selling TP-3900 universal formula. 1 liter engine Level of difficulty: INTERMEDIATE Approximate installation time: 1 Hour Tools Needed: pick, and flat blade screwdriver Additional parts: Anti-freeze Coolant can leak from the reservoir or from the hoses, in 2008 Sierra 3500 HDs with the 6. Even though I'm not a gunfighter but just a lowly Admin, I went ahead and moved this from the Gen5&6 section to the Gen7 section. With heat and high pressure the rubber part loses its elasticity and it can no longer hold its shape. 97. 8L V6 Coolant Leaks On The 3400 And 3800 Engines In I am former gm tech. 4 -liter V6 engine. The timing cover has a weep hole to allow coolant to drain when the water pump leaks. AutoZone has the lowest prices on intake manifold gaskets. 2 and 7. Chevrolet engineers created a 24-valve, dual overhead cam, all-aluminum 12 Jan 2012 low coolant level, engine over heating, pressure test cooling system. 1L engine out of a 2003 Chevy Malibu. (I am not normally an emoticon user but ) Resolution of the 400 rpm drop off issue is still an unknown. 4L Auto 1959 Chevy 3100 1/2 Ton Pickup EVERYTHING done 'cept paint and body. Is there anyway it might be something other than the water pump? 3. Now in case you're wondering what vehicles this article applies to, it applies to most of the GM models (Buick, Chevy, Olds, and Pontiac) with either a 3. So im just gonna flush out the old and in with some new. If you don't change it at manufacture recommended intervals it reeks havoc in the cooling systems Jul 25, 2015 · I plan on doing a coolant flush and cleaning the whole system out. Suggest you check your engine oil, it should be either light brown if just replaced, and black if you have over 30K miles on it. Mechanic JK: This may be from either the water pump or more likely what is called the coolant bypass manifold. The issue might be stemming from a loose hose clamp or a damaged o-ring. I've unplugged mine and have ran okay, but some people add one and let it hang in open air, some people put in a resistor so it reads 200*F. I will never again buy another GM car. Not mixed with oil as far as I can tell straight coolant. If you are often adding more coolant to the reservoir, you might have a leak. 7, 6. This problem has  25 Jan 2019 On the Chevrolet (GM) 3. GM has intake leak issues from 99ish to 03ish on pretty much all v6 engines. It has an O-ring seal and tilts at 15 degrees. The OEM intake manifold gasket tends to deteriorate after 60,000 or so miles in the area that seals the cylinder head coolant passage to the manifold. Last week, my mechanic replaced the upper and lower intake manifold gaskets on my Grand Prix SE (3100 V6) because they were leaking coolant. The worst complaints are leaking coolant, cracked intake manifold gasket, overheating, and coolant leaking. Sep 15, 2016 · the problem is w your heads as GM had a cracking issue w certain # heads w the 5. It starts off puddling on the shelf, then leaking into the mount, then spilling onto the driveway. Coolant Temp Sensor- This will cause limp mode if your engine temp gets too high. While the 302 is a solid performer, most of us would’ve liked the previous owner to keep a Chevy block under the hood. Dex-Cool is the antifreeze recommended by General Motors, the company that makes Chevys, as the best antifreeze for their automobiles. It's a very common problem on many Chevy, Buick, Pontiac, and Oldsmobile 3. The coolant running through there can provide a lot more heat than is normally available without it, even with a cold vehicle. 1L Engine The General Motors 3. 8L GM coolant elbows No problems until, 4/1 /16, my 04 lesabre suddenly began leaking coolant like crazy while car was  If your gasket is blown, the coolant will leak out and the engine will overheat. Its just sitting in the hose and the reservoir. Pick up some coolant if the failing gaskets caused a leak. 8 and 5. The General Motors 3. I diagnosed my car at AutoZone for the check engine and that's what it was and it has fixed my overheating issue, also it you have a bad engine leak diagnose it before paying for an intake manifold gasket, right above and to the right of the oil filter on a 3. Jul 15, 2009 · This was on a GM 3100 notorious for intake gasket leaks. Note, all 07 & 08 Impalas have major rear suspension problem, ruins rear tires. Go outside and there is a big wet spot of coolant under the car. Also, Isuzu Rodeo and Trooper with the 3. (Page 1 of 3) 2001 Buick 3100 Century. CHEVROLET Thermostat Housing (Water Neck) Polished Aluminum 1966-75 Small Block Chevy 283-350 O-Ring (15 Degree) This is a polished aluminum thermostat housings for 1966-75 SB Chevy 283-350. Replacing the intake manifold gasket should correct these leaks. The intake manifold gaskets are the most likely cause of your antifreeze leaking and engine oil getting low. If you are loosing coolant or engine oil on a GM 2. 8 motor the intake gasket is leaking. Per memory the Chevy Lumina uses the 3. Note: throttlebody and exhaust crossover removed for easier viewing. Doug Reno 16,049 views · 2:22 · GM 3100,3400,3500 Engine Coolant Temp Sensor  30 Aug 2012 One of the most common problems on the GM 3. A head gasket leak or cracked head or cylinder wall is a serious problem and needs to be addressed promptly. These original equipment engine coolant water outlets are GM-recommended replacements for your vehicle's original components and have been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Try running at the minimum line when cold. Then about a month ago I noticed that the coolant was a little low so added some antifreeze. 4, 3. According to CTV, the Not only are the oil-leaks a nuisance, leaking oil sometimes damages the rubber suspension components. The parts store told me it could be air in the hose. 0 & 3. 8 GM Series II Intake Manifold coolant leak causing hydro lock. Behind the power steering pump, leaks down where intake meets cylinder head. I would also make sure you didn't accidentally disable something. The engine itself was based on the earlier 28l v6 that was first produced back in 1980. You might see coolant leaking if the tank is cracked or damaged. 6L Duramax Diesel Engines The AERA Technical Committee offers the following information on engine coolant loss on 2002-2016 GM 6. I replaced the radiator, got an e-fan and flushed the coolant. It’s a faulty gasket design that’ll happen regardless of which coolant is in the engine. I really think if your problem were a water pump, then you would simply have over heating issues from poor coolant circulation. Feb 11, 2018 · It also sucks in air to replace the missing coolant. If, as I gather from the discussion of the coolant flush, you’re leaking coolant, you need to replace your water pump. If the timing cover held in the coolant that leaked from the water pump, it would put it into the oil, which would be a Bad Thing. The 3. It can either leak externally or internally. 3L and 4. Technically the seal itself is usually not the culprit. Thanks GM. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Thanks for taking the time to look at my question. Can water leak from the intake manifold gasket in a 3100 Chevrolet? Top Answer. This varies by year of engine, but a few of the related parts are the O-rings for the oil pump drive, coolant tube, and heater tube; valve cover gaskets, EGR gaskets, new intake bolts on some model years, plenum gasket, Gm Gray RTV for the end seals,t a heater hose push together fitting if yours uses one, and this is a great opportunity to Anyone know a easy way to remove the timing cover on a GM 3100 sfi(L82 M code)? So the timing cover started leaking coolant just above the belt tensioner pulley(yes, these particular motors do Just discovered water pump leaking and very loose, causing a loud squealing and grinding sound. 1, I got the removal portion done in about 5 hours following these instructions. When this gasket fails coolant will either leak onto the ground or can leak internally down the valve lifer valley into the crank case. Another white smoke issue is the leaking coolant. If there are no external leaks and you are loosing coolant, it could be a blown head gasket. A truck radiator leak repair can be a very tricky job. Enter your vehicle details. The leakage problem can occur in as little as 60,000 miles on some engines. This was  18 Sep 2014 Was in town and smelled antifreeze, so i came back home and 3. gm 3100 coolant leak

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