3800 Timing Cover Coolant Leak

This is a 2002 Impala, 3. To start to determine if you've got a timing cover gasket leak, you've got to figure out if that is even possible on the motor in your car. TROUBLE SHOOTING POOR GAS MILEAGE. The oil pan bolts can be loosened and the pan lowered slightly to add clearance for front cover installation. The only way to correctly replace the timing chain cover gasket is to drop the oil pan too. 8 This part will fit these makes and models with these options:. Coolant leaking from timing chain cover. Coolant and air can leak through these cracks, heating up and suffocating your engine!. BUT, it does leak oil like crazy, it looks like one of the leaks might be the rear main, because some (not nearly as much as the other leak) oil pools at the bottom of the converter housing. It will save you labor charges if you do other maintenance while the timing chain cover is off. We represent over 20 leading global brands, specialising in air tools, hand tools, impact bits & sockets, lifting. " This has been the death knell for many a vehicle over the years, as the cost of a fix for an older car is often more than the car is worth. The fix is to. For a 3,800 pound diesel, that was pretty fast. This includes timing chain dampener, rocker bolts, supercharger gasket, 2 coolant passage o-rings, upper intake & aluminum intake gasket set, ARP assembly lube, valve cover gaskets, crank bolt, and cam bolt. GM recalled 1. Check for leaks and top off the coolant. Rust is also damaging to critical water jackets in the engine block. There is a thread on it somewhere. If the 3800 front cover is the same up to the coolant ports, I wonder if you could just cut off the top of the 3800 cover and weld in a piece to mate to the 3. 1995 through 2008 General Motors 3800 coolant leak issue davesgarage512. The timing cover is constructed of plastic or metal and works in conjunction with the timing cover gasket to keep oil from leaking onto the ground. Coolant leak on 2002 Grand Prix. I don't believe it was leaking while I was driving. Common water pump failure signs include leaking coolant, engine. That's where the smoke machine comes in. Another coolant leak problem prompted GM to issue a recall on certain 2000-'03 model year Chevys, Buicks and Pontiacs with the 3800 engine. For what it's worth, I had a timing cover leak on my wife's Dodge Caravan 3. The head gasket seals in the internal combustion process and also keeps coolant and oil from mixing together as the two fluids travel from the engine block to the cylinder head. Water Pump Leak. and my check eng light is now off, the car ran smooth for a few day’s but not my rpm’s jump where i start the car, but after i. AutoZone Repair Guide for your Engine & Engine Overhaul Engine Mechanical Timing Chain Cover. The fix is to. Replied by benzrider85 on topic GM 3800 crank, but no start Alright so I thought I posted back here, but even though I'm six months late I figured I'd post my findings on this. My mechanic did the pressure check on the cooling system and determined that he could see antifreeze. (verified with a manual gauge) I disassembled and packed oil pump with Vaseline thinking it would not prime. Best Answer: If you have no means of inspecting the bottom of the water-pump to see of coolant is leaking out the "weep-hole" Any trusted private mechanic or Chevrolet Dealer can. Coolant light came on, filled to the proper level with Dex-cool, checked rad and looked for leaks but none under car. This will prove fatal in sufficient quantity. GM 3800 Coolant leak Belt Tensioner Elbows Water Pump and thermostat Leaking Valve Cover Gasket, How to tell. OK, when my wife works nights I have beer for dinner, but ??? I thought we were talking about Padgett's coolant leak? IIRC he discovered a leaking water. Best Answer: If you have no means of inspecting the bottom of the water-pump to see of coolant is leaking out the "weep-hole" Any trusted private mechanic or Chevrolet Dealer can. so far I have checked the coil resistance and tried starter fluid in case my spark tester wasn't working and I should be chasing a no fuel problem. After a short visual inspection one of our Master Technicians quickly found that the head gaskets were fine. I am trying to get information on a recall for my 2001 Buick Lesabre. Alcan is right about metal erosion and gasket 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. As well as the usual coolant water leaks associated with my Chrysler Voyager 3. Exhaust Manifold Gaskets When installing Fel-Pro exhaust manifold gaskets, if there is a smooth, metallic side and a composite side, the metallic side should be installed facing out, meaning toward the exhaust manifold. (verified with a manual gauge) I disassembled and packed oil pump with Vaseline thinking it would not prime. The oil pan bolts can be loosened and the pan lowered slightly to add clearance for front cover installation. List last time I drove the jeep, I heard the dripping as soon as I got out of the vehicle. When the spark plugs were replaced, the vehicle would run well. Typical engine data sensor and control component locations on the GM 3. I don't see any leakage looking down from the top of the engine. LS6 engines do not need coolant tube replacement. Scotty walked me through it and was fairly easy. I have to top it up once in a while (maybe a cup a month), but no visible leaks until now. As long as it wore a "Turbo" badge, you and everyone else would think your car was quick because turbo meant speed. what do I need to do to replace the timing chain cover gasket on a 2007 grand prix 3800? | Find answers to your 2007 Pontiac Grand Prix question. The coolant leak on these engines was at the gasket between the intake manifold and throttle body or, in some cases, between the upper and lower intake manifold. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. 8 Series II, 90,000 miles. If it's not a water-pump leak they will do an inexpensive *cooling system pressure test which will find any internal or external coolant leaks. Timing covers do leak coolant. Coolant is also distributed to the cylinders in this way. Also, some head gaskets will seal up with stop leak. Should I flush the coolant out completely before taking it for a. Part Condition Notes: ENGINE COVER,3. Intake manifold gaskets leak at the corners. I have an '03 IMPALA 3. If the coolant is leaking from an upper or lower coolant hose, the repair. 2004 Chrysler Sebring parts are available at a discount from online sources such as PartsGeek. What is that black tube that comes out of the back side of the water pump? This pic is taken from the passenger side of the engine compartment looking across the engine at the drivers side. There is a bit of an oil leak in the front passenger side of the engine, but I don’t think it’s from the cam chain tensioner gasket or the valve cover gasket. The timing cover, oil pan, and flex-plate all remain the same from '99. It's easy and cheaper in the long run and very simple to do. Never worked on gm enough to know the commons. Even the rear main seal can be done by removing the Transmission and doesn't need engine removal. Separate the engine timing chain front cover from the engine. As your exclusive remedy, Raney's will replace free of charge any product that in reasonable determination does not comply with the foregoing warranty. Oil leaks are neither good for the engine or for the environment. What - Oldsmobile 1996 LSS question. Free Same Day Store Pickup. The carrier bolted in front of the timing chain cover to the crankcase. Like automotive engines, boat engines can develop leaks. I was wondering if it could be leaking and if it is possible to do the job myself without having to disconnect any lower motor mounts. Truck doesn't overheat an I have awesome heat, but coolant in radiator doesn't seem to moving, fill reservoir to proper level after installing new cap i don't see any leaks but my. have a coolant leak from the timing cover on a 2006 pontiac grand prix,what all has to come off to remove the steps - Pontiac 2006 Grand Prix question. Took it to Firestone and they say the water pump is fine and the leak is coming from the timing cover. Order Coolant By-Pass Pipe for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. They told me that I needed a water pump (leaking from weep hole) and that I had another coolant leak from the "front cover gasket" (apparently the timing cover). They should be changed for a set of new ones before attempting to run. 2006 Pontiac Grand Prix 3800 -. The coolant elbows were replaced by my GM dealer two years ago when they started to leak and were OK, but as I was replacing everything anyway and had to remove the belt tensioner (and the elbows) I went ahead and purchased the new GM elbows anyway, so everything would be new. Sometimes though it's really not the intake gasket. Timing Cover Gasket Fit Buick GMC Chevrolet 4. Free Same Day Store Pickup. Water Pump Leak. As long as it wore a "Turbo" badge, you and everyone else would think your car was quick because turbo meant speed. Coolant System Pressure 800 RPM (idle) 6 PSI (41 kPa) 3800 RPM (WOT) 20 PSI (137 kPa) NOTE: Snap-on Tools has combustion leak tester available for testing coolant for exhaust gases. The most common issue with the V6 engines is the LIM (lower intake manifold) gaskets leaking coolant into the intake ports. I have 157,00 miles. l Freeze plugs are in different places on different cars, but normally they will be down the side of the block (at least 3 of them) and in the back of the block, between the engine and the transmission. When she got here it was leaking transmission fluid and we had it towed to our local transmission shop. An intake leak happens when a portion of the. Crappy luck buddy. The parts and labor required for this service are. the 3800 is known for its lower intake manifold gasket issues, especially the earlier 3800 series II engines. 8L, 122K as of 8/2017, just got a timing cover coolant leak, so at 163K yours did vey well. In this way the cooling system is getting a fresh transfusion all the time. The weep hole on the water pump is different than the "timing chain cover" weep hole discussed in this thread. 2L) Puma engines. ZZPerformance offers a complete cam install kit. But among those that don’t love them so much, some of the biggest complaints center on plastic gaskets and seals. Truck doesn't overheat an I have awesome heat, but coolant in radiator doesn't seem to moving, fill reservoir to proper level after installing new cap i don't see any leaks but my. Thanks again. 8L, 122K as of 8/2017, just got a timing cover coolant leak, so at 163K yours did vey well. The timing cover, oil pan, and flex-plate all remain the same from '99. in it and I found about 5 or 6 leaks very easily. Feel free to contact our technical support line at 888-863-0426 with any other questions. Also, some head gaskets will seal up with stop leak. GM Performance engine RTV sealant is sure to keep your engine leak-free without shrinking, cracking, or hardening. There are 11 bolts that hold the timing cover to the front side of the engine, and 3 more bolts that hold the front of the oil pan to the timing cover. Whether you need BMW 645 performance parts or any BMW 6 series parts, go online for the best selection. It is part of GM’s High Feature V6 engine family. Last month I noted the. To see how frequently Dodge Grand Caravan problems occur, check out our car reliability stats. So buddy had a coolant leak quick look showed a water pump right? Wrong, replaced it put pressure and spitting water out of the plastic elbows replaced those and retested. Even though it is specially designed to seal rear main leaks, it also works better than a conventional stop leak on all other engine oil leaks. If the Engine Oil Leak is bad enough it can make the belts screech. ) 1109 at Advance Auto Parts. Note that they are different lengths. The intake manifold gasket is made of rubber or plastic and attaches the intake manifold to the engine. Fel-Pro marine specialty gaskets deliver proven gasket technology that you can trust. It had 184k miles at that point. The parts and labor required for this service are. It's easy and cheaper in the long run and very simple to do. You have probably have a coolant leak somewhere. The only way to correctly replace the timing chain cover gasket is to drop the oil pan too. My Pontiac Has Intake Gaskets Leaking- Is It Safe To Drive? I took my 2001 Grand Prix 3800 V6 engine (130,000 miles) into the dealer for a bit overdue oil change. 8L (VIN C, L, K and 1. I had the same problem in my Camaro. Now leaking coolant externally unto header. Should I flush the coolant out completely before taking it for a. The video above shows you where the coolant reservoir, hoses and connections on your 2006 Lucerne CXS are located and the steps needed to fix minor coolant leaks. OK well sounds like your coolant is good so far now and maybe your cap is working, but might as well try the new cap. The timing cover gasket only covers the timing chain and the timing gears and all that is in there is oil, it don't have any water ports in there at all, so it can't leak water! and if it did the water would go into the oil pan not come out of the timing cover!. Feel free to contact our technical support line at 888-863-0426 with any other questions. I thought after seeing this leak that the water pump must mount on a manifold that bolted to the timing chain cover, and it needed a new gasket. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2007 Buick Lucerne. I was wondering if it could be leaking and if it is possible to do the job myself without having to disconnect any lower motor mounts. 8L, 122K as of 8/2017, just got a timing cover coolant leak, so at 163K yours did vey well. But I’ve heard of people getting around this by rigging it somehow. White smoke is generally only caused by normal condensation burn off when cold or a coolant leak somewhere (check your coolant level). 8 timing cover gasket leaking coolant. How to change timing chain on a Chevy S-10? Go to you tube, type in the info you want and there will be videos telling you how to do it. My Pontiac Has Intake Gaskets Leaking- Is It Safe To Drive? I took my 2001 Grand Prix 3800 V6 engine (130,000 miles) into the dealer for a bit overdue oil change. My car started leaking a sizable amount of coolant recently and I suspected the water pump to be the problem. I'm thinking about getting in there again to fix it, but I would like to know what I did wrong. Had the dealer do it under extended warranty ($800 repair). In this video you'll learn how the party staple can help you test an evap line for leaks. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. The plastic coolant elbows on the front of the 3800 motors crack and leak, as do the plastic intake manifold gaskets. 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. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Additionally, it conducts coolant through to the cylinders in order to reduce the temperature of the engine. Add all the necessary fluids and check for leaks. This is the easiest thermostat location for a do-it-yourself repair since you do not have to drain the. I replaced the timing cover gasket on my 2006 Pontiac with a 3800 engine due to a coolant leak. Leaks, leaks, and more leaks. Stop leak works best on the radiator where small pin holes show up usually caused by internall corrioson or other causes. Although the timing cover is not a moving part, from time to time damage may be done to the cover or the gasket inside that will require service or replacement by an ASE certified mechanic. When the coolant temperature is low, the injection duration of the cold start injector is controlled by the ECM*1 [engine ECU] and start injector time switch. in it and I found about 5 or 6 leaks very easily. We provide incredibly reasonable prices on quality parts. I recently acquired a 2003 Regal with 160,000km on the clock and came across a coolant leak. 8L 3800 v6 engine. Timing chain cover to engine block water coolant leak. very possible you may have a lower intake manifold gasket leak, and i wouldn't stall on changing those, if you do you can have coolant leak into your engine oil, and that is never good for the bearings. How to change the timing cover gasket for 1997 buick lesabre? Oil and/or coolant leaking is suspected. I opened the oil pump cleaned then lubed gears then packed them with Vaseline per my Alldata subscription instructions. 4L V6 engines is coolant leaking from the intake manifold gaskets. Order Buick LaCrosse Timing Cover Gasket online today. if its leaking, u'll know its leaking. A water pump is mounted to the engine block or timing chain cover and is designed to circulate coolant throughout the radiator, engine block and cylinder heads. Buy a 2001 Chevrolet Monte Carlo Intake Manifold Gasket Set at discount prices. GM 3800 Coolant leak Belt Tensioner Elbows Water Pump and thermostat Leaking Valve Cover Gasket, How to tell. Originally a timing cover coolant leak. It should not be used in temperatures higher than 300 to 350 degrees. Scotty walked me through it and was fairly easy. I would point out that timing covers can leak at the lower corner, waterpunps can be tempermental, and 10 tiny leaks add up to one big one. GM 3800 Coolant leak Belt Tensioner Elbows Water Pump and thermostat Leaking Valve Cover Gasket, How to tell. 5hrs having absolutely no issues with vibration, shifting, power, cooling, idling, noise, or codes being thrown. It’s not under vacuum. I know this sounds weird but run the car until the temp reaches half. It looks like my '03 Buick with the non-supercharged 3800 (72K miles) might be due for surgery. Some of the more common technical questions we get involve overheating, and with good reason. So, if the leak is at the block, yes you can remove the timing cover without removing the pump. 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. The heater core may not be critical to the function and running of your car while on the road. 8L, 122K as of 8/2017, just got a timing cover coolant leak, so at 163K yours did vey well. — — ESA (Electronic Spark Advance) Ignition timing is determined by the ECM*1 [engine ECU] based on signals from various sensors. The coolant leak on these engines was at the gasket between the intake manifold and throttle body or, in some cases, between the upper and lower intake manifold. Now it is simply a matter or reinstalling everything – replacing oil and coolant and checking for leaks. How much does it cost to replace Buick Lesabre crankshaft position sensor? It is the 3800 V6 engine. This includes timing chain dampener, rocker bolts, supercharger gasket, 2 coolant passage o-rings, upper intake & aluminum intake gasket set, ARP assembly lube, valve cover gaskets, crank bolt, and cam bolt. They want $800 to replace the cover and gasket, flush the coolant system, and replace the Dex-Cool. Intake Manifold Coolant Leaks. Sometimes though it's really not the intake gasket. C/S Car is leaking coolant - notorious 3800 elbows with a I known the w/p bolted to the timing cover I could have gotten that off and removed the broken bolt. Remove the water pump with the cover assembly and remove the cover from the pump. A leaking water pump can cause overheating and the A/C to stop working in the 1. You have probably have a coolant leak somewhere. Sealing an engine block coolant leak can seem like an impossible task. Fortunately the customer had us look into the issue and properly diagnose it because it wasn’t the head gaskets causing the coolant leak. The issue whether it is worth the money to fix the leak. Thread / Thread Starter. Melbourne cnr Elizabeth and Collins Streets facing south towards Flinders Street Station circa 1969. When you invest in a fine car like the BMW 645Ci, parts should not be an afterthought. 275 started leaking water from around pulley/belt area when at revs 10-01-2019, 12:31 AM Hi, Whenever I go to my boat - regardless of if I am going out or just to sit and have coffee (every couple of weeks) I always start her up and let her run for 5 mins to makes sure she is good, batteries charging ok etc etc. Head Sets are used for upper engine repair only, typically on a valve grind. Your Options for Fixing a Blown Head Gasket. Part Condition Notes: ENGINE COVER,3. I have this coolant leak which appears to be coming from the rear of the timing cover. A lot of mechanics love these engines. Or mill the back of the top part of the cover and weld in a plate to the back of it to create a lower area for the gasket to mate with the block? David. I encountered a slight and intermittent coolant leak between the timing chain cover and the left side of the engine block. The leak is where the metal tube goes in to the back of the water pump. · White exhaust steam / smoke · Losing Coolant and engine running poorly, with No visible leaks. The coolant leak on these engines was at the gasket between the intake manifold and throttle body or, in some cases, between the upper and lower intake manifold. If the timing cover gasket breaks, you will notice engine oil leaking. A small oil leak will usually stay small for a few thousand km. 8 engine due to the coolant passage leaking at the front of the engine (side closed to radiator). On the Chevrolet 350 engine, replacing the timing chain requires some disassembly. 8L) V6 engine sensor location pictures and descriptions. Next, remove the drive belt components before unbolting the timing chain cover. GM 3800 Coolant leak Belt Tensioner Elbows Water Pump and thermostat Leaking Valve Cover Gasket, How to tell. On the other hand, a timing cover gasket leak can spread oil over most of your engine, leave drips in odd places, leak sometimes, but not others, and be generally elusive. 8 timing cover gasket leaking coolant. 3800 Series II Partially Seized On Start Hey all, I have a 2000 Camaro V6 auto with the L36 Buick 3800 series II and a 4L60E transmission behind it. Safely Modding Your 3800 For Dummies digitaloutsider - W-body. 1 Liter, this car was leaking coolant out timing chain cover gasket near rear head is this a usual problem with these engines? I usually see intake or water pump leaking never leaking at this location, I fixed it but I have never seen this happen before Anyone ever seen this problem before?. Blown head gasket symptoms and how you can repair the leak yourself with this simple trick. Gates is the largest global manufacturer of OE timing belts. l Freeze plugs are in different places on different cars, but normally they will be down the side of the block (at least 3 of them) and in the back of the block, between the engine and the transmission. To change a timing chain, remove the radiator cap, drain the coolant out, and remove the radiator hoses. Any timing chain can require replacementDepends on many factors. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Has anyone ever heard of the 3800 leaking antifreeze at the timing cover? If so. 94 LeSabre 3800 Series I misfiring; 92 LeSabre 3. GM Performance engine RTV sealant is sure to keep your engine leak-free without shrinking, cracking, or hardening. Oil or coolant leak; Timing Cover Gasket Related Repair Advice. It's still got about 20% coolant to 80% water mix in the cooling system though. Showing a few parts that might make your motor not leak coolant rather than spending money and the garage. Coolant Leak at. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. It is now 6 months since ive done this and still no leaks! This is an awesome product that works. GM 3800 (3. The issue whether it is worth the money to fix the leak. $3800 could probably get you a rebuilt engine installed. It has 127,000 miles and has been regularly maintained. Is the spark plug one near a heater hose? You have to figure out where the leaks are and fix them. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Symptoms of a Bad or Failing Timing Cover Gasket. ) 1109 at Advance Auto Parts. It looks like my '03 Buick with the non-supercharged 3800 (72K miles) might be due for surgery. So, this gurgling is air in the cooling system, but the issue is probably how did the air get there or where is the coolant leaking. You will need gaskets for water pump, timing chain cover. Designed to meet or exceed all Original Equipment (OE) specifications for proper sealing. The video above shows you where the coolant reservoir, hoses and connections on your 2007 Grand Prix Base are located and the steps needed to fix minor coolant leaks. Install the new pump with new gaskets. Always drain the coolant into a sealable container. ) I was leaking coolant every time I turned around. Removed timing cover and oil in pump leaked out losing the prime. Water pump failure signs The water pump is the heart of the engine’s cooling system. A pressure test may help. You also need to find the leak. It appears my leak is the back coolant elbow on the backside of the belt tensioner. The kit includes a chain tensioner, fuel pump cover removal tool, fuel pump sprocket locking tool, and camshaft / crankshaft sprocket alignment pins. 8 coolant leak behind water pump and block what is the procedure to take of the timing cover! - Answered by a verified Buick Mechanic. Here is a pic of the only place i could see oil pooling. Picutes of some common areas of coolant leaks on the GM 3. ) I was leaking coolant every time I turned around. Things to look for are, loss of coolant, brown milky film under the oil fill cap and valve covers, lifter rattle noise, random misfire code P0300, or an increase in oil level. You'd have to remove the serpentine belt, alternator, and associated bolts/brackets, and then it just pulls out of the tensioner bracket and lower intake manifold. In this way the cooling system is getting a fresh transfusion all the time. Your problem will be solved with a new or re-manufactured water-pump. Coolant leaks, if ignored, can lead to an overheated engine in your 2004 Pontiac Grand Prix GT1 3. 2006 buick lacrosse 3. I still have a leak and appears to be coming from the cover behind the water pump but its hard to tell. The oil pan doesn't 'lip over' the bottom of the timing cover as I thought it was; the timing cover is just sitting on top of the oil pan/oil pan gasket. Last month I noted the. Although the timing cover is not a moving part, from time to time damage may be done to the cover or the gasket inside that will require service or replacement by an ASE certified mechanic. Save on Bars Leak Liquid Copper Block Seal Intake and Radiator Stop Leak (18 oz. GM 3800 (3. You may have an intake gasket leaking. 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. It was a high mileage van, so I figured there would be some sort of coolant leak somewhere. Enter vehicle info. It has developed a coolant leak in a. 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. The fix is to. So if there is water in the oil, then I guess the number one candidate is intake gaskets. Here is the store. The replacement timing cover gasket is a metal, which seems a lot more durable than the paper gasket that was on there that was leaking coolant. Now, the entire coolant reservoir is empty, and presumably, the actual radiator as well. Same repair as for your engine. Melbourne cnr Elizabeth and Collins Streets facing south towards Flinders Street Station circa 1969. 8L 3800 v6 engine. 1995- 2004, 3800 Intake Manifold Coolant Leak Cheap Fix! V6 Engine (VIN K - RPO L36) 3800 Series II w/ Plastic Intake Manifold IF your problem is coolant going directly into the engine, by ANY the indicators below. The engine may overheat due to coolant loss. If the water pump on this vehicle is behind the timing cover that's what will be starting to leak. Showing a few parts that might make your motor not leak coolant rather than spending money and the garage. This is the most common place to see a coolant leak on these vehicles. Next, remove the drive belt components before unbolting the timing chain cover. My mechanic is out of town until Monday, so I took it to the Chevy dealer. I think vacuum extraction is becoming the norm. They want $800 to replace the cover and gasket, flush the coolant system, and replace the Dex-Cool. The timing chain cover (which is a fully molded piece has broken where the mount to the alternator is. There are no coolant passages inside your 3800 Buick timing chain cover. Most of the threads I read are saying to-slap some silastic over it, she'll be right -Take the engine out, (which I think is abit extreme)-Others say head off. I have this coolant leak which appears to be coming from the rear of the timing cover. The coolant leak on these engines was at the gasket between the intake manifold and throttle body or, in some cases, between the upper and lower intake manifold. So much for two birds, one stone! The $1,500 quote sounds a bit looney, until you see the work involved. Is this so? I've rung around and everyone is having to 'look it up' alas to no avail. Although the timing cover is not a moving part, from time to time damage may be done to the cover or the gasket inside that will require service or replacement by an ASE certified mechanic. 8L that leaked and stop leak worked for a little while. These don't generally leak though. Leak slowed from 1 qt of coolant every 3 months to 1/2 qt per. My mechanic says that it is the Timing cover gasket is slipping and needs replaced. But among those that don’t love them so much, some of the biggest complaints center on plastic gaskets and seals. Water Pump Leak. I went and bought a Chilton's for guidance and specs. For most cars, a timing chain replacement costs between $413 and $1040, or you can order the parts themselves for $88 and $245. Last month I noted the. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Dodge Grand Caravan Engine Problems. Your Options for Fixing a Blown Head Gasket. The timing cover, oil pan, and flex-plate all remain the same from '99. This leak may be related to upper intake manifold composite material that may degrade. Also, if the car is overheating, you shouldn't drive it until the computer shuts it down. There is not any coolant going through a hose in the intake manifold. 3800 Series III Series II and some 3800 Series I Upper plenum coolant leak (burning coolant, hydrolocked engine, coolant in oil) N/A Versions of certian series I and series II have plastic upper plenums, series IIIs have a aluminum upper plenum, and the supercharged engines like the L-67 and L-32 SC 3800 engines obviously have aluminom supercharger housings, but upper gasket may still fail on. My mechanic is out of town until Monday, so I took it to the Chevy dealer. Never worked on gm enough to know the commons. If any of those areas leak, the timing cover will have to be removed. New completely flat-top pistons with no valve reliefs are used along with a different diameter wrist pin. To see how frequently Chevrolet Impala problems occur, check out our car reliability stats. Also tighten these by hand. I went and bought a Chilton's for guidance and specs. Coolant is also distributed to the cylinders in this way. If a gasket leaks, but the engine is otherwise in good condition there is no need to do any work other than replace the gaskets. 8 engines are famous for coolant leaking from the intake. Another coolant leak problem prompted GM to issue a recall on certain 2000-'03 model year Chevys, Buicks and Pontiacs with the 3800 engine. so far I have checked the coil resistance and tried starter fluid in case my spark tester wasn't working and I should be chasing a no fuel problem. This is the easiest thermostat location for a do-it-yourself repair since you do not have to drain the. Gates is the largest global manufacturer of OE timing belts. The intake manifold gasket is made of rubber or plastic and attaches the intake manifold to the engine. According to here VN S1 / VN S2 & VP V6 3800 Timing Cover's are different. Anyone replaced timing chain on '93 3800 engine? and I am ready to put the timing cover back in place. Jeff James wrote: > > I have a 1998 Olds Intrigue (w/ 75k miles) that has a coolant leak around > the intake manifold (3800 Series II engine).