3800 Timing Cover Coolant Leak

If you suspect your car leaks oil, place a piece of cardboard under your car and try to pinpoint the area where the leak occurs. I encountered a slight and intermittent coolant leak between the timing chain cover and the left side of the engine block. 2L) Puma engines. Common water pump failure signs include leaking coolant, engine. This plastic manifold was used on most 3. I know this sounds weird but run the car until the temp reaches half. Walker Products Engine Coolant Temperature (ECT) Sensors are precision manufactured from premium components in an ISO 9001-2008/TS16949 certified facility. There are alot of threads regarding this issue but I would like if someone has repaired it recently. Use care to note the position of the bolts at removal so they can be returned to their original locations. • TSB 03-06-01-016 covers intake manifold leaks on 2000-2003 3. A guide for consumers having problems with their GM intake manifold gaskets or coolant leaks in 3. The engine coolant temperature sensor uses a changing electrical resistance value to measure the engine coolant temperature and relay this information to the onboard computer. 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. It is now 6 months since ive done this and still no leaks! This is an awesome product that works. tacoma 95-04 5VZ =timing belt=no timing chain cover. I have this coolant leak which appears to be coming from the rear of the timing cover. The car is a '98 Buick Lesabre with the 3800 engine and about 170k miles. While you're looking at the cooling system, check the radiator hoses as well. 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. For about a week no problems until it really started leaking (pouring), inspection shows timing cover gasket?. I have a 2007 Pontiac Grand Prix. For most cars, a timing chain replacement costs between $413 and $1040, or you can order the parts themselves for $88 and $245. I had a coolant leak from what I thought was a bad water pump, so I replaced it. This timing tool kit is designed for 2. This is the engine, the 3800 series engine that is in a whole bunch of different GM vehicles and when these things start to crack they just slowly drip coolant onto the engine and it evaporates so you have a leak and you loose coolant but it doesn't ever appear that you're leaking anywhere. If it starts to leak badly or leak coolant as well as oil it should be replaced immediately. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. Position the timing chain (front) cover gasket, then install the cover. The 2002 Chevrolet Monte Carlo has 9 problems reported for coolant leak. LS6 engines do not need coolant tube replacement. (verified with a manual gauge) I disassembled and packed oil pump with Vaseline thinking it would not prime. According to here VN S1 / VN S2 & VP V6 3800 Timing Cover's are different. 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. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. 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. Those 3800 Buick engines came here in Holdens leaking inlet manifolds are common, One died on me last year via stuck thermostat when that was removed by a garage the coolant leaks began it was a company car and was removed from service and wrecked for parts a shame as it was one of two we had that drove ok, the others had other issues, good engines when they are going well though. 8L (VIN C, L, K and 1. Some people refer to the engine timing cover gasket as the engine timing cover seal, but either way it is the same thing. 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. Thread / Thread Starter. com: Car complaints, car problems and defect information. 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. Search Car Torque Specifications by Engine or Model. “Dealer only replaced transmission control module, cost $3800 on. If any section of the block inside the cover is cracked, you got yourself a serious problem there. It's a fairly easy repair. I cover the procedure for finding. The car is a '98 Buick Lesabre with the 3800 engine and about 170k miles. Took it to Firestone and they say the water pump is fine and the leak is coming from the timing cover. As I needed to remove the TC and break front oil pan seal, I figured I put new windage tray (gasket) in & as you need to remove motor mount bracket to do that I'd replace motor mount and tranny mount to. I checked the dipstick and it is 1QT low. I thought the water pump was a possibility so I ordered a Gates kits with timing belt. Position the timing chain (front) cover gasket, then install the cover. This time it is an internal leak! I've already had leaking plastic elbows, replaced with metal ones, a leaking radiator, leaking water pump, the upper plastic intake was leaking into the throttle body thing, replaced with the "New and Improved" model intake, never any drips after all this but the thing still used a radiator full of coolant every tank of gas, some water in the oil. 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. 4L engine, the warranty coverage for this issue has been extended to 10 years or 150,000 miles (240,000 km), whichever occurs first. Find out how to solve Mustang overheating problems. The BlueDevil Oil Stop Leak is the more concentrated product and is the universal application that will work for various oil leaks such as oil pan leaks, rear main leaks, valve cover gasket leaks, etc. The most common issue with the V6 engines is the LIM (lower intake manifold) gaskets leaking coolant into the intake ports. Leaking Head Gaskets on 01 VDC H6 Just found out the 01 VDC is leaking a little anti-freeze at the level of the head gaskets (per the dealer). (Block Combustion Leak Tester P/N GA 170B) Snap-on Tools are readily available. 06 pontiac grand prix coolant leak (self. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. When shopping for Chrysler Sebring for sale, consider Chrysler Sebring aftermarket parts; often, these are an improvement on the original OEM equipment. Safely Modding Your 3800 For Dummies digitaloutsider - W-body. Inspect the coolant as well. Will Bar’s Leaks Rear Main Seal Repair work on other oil leaks? Yes. I had a '97 Grand Prix with the 3100. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. It appears my leak is the back coolant elbow on the backside of the belt tensioner. Coolant and air can leak through these cracks, heating up and suffocating your engine!. And the plastic tubes that route the coolant thru can quite often crack. A pressure test may help. Holden's price is $45. Figuring out exactly where a small leak is in a solid black car tube is tough. In this way, the timing gears and chain receive lubrication with the engine oil. If the coolant is leaking from an upper or lower coolant hose, the repair. Here at Advance Auto Parts, we work with only top reliable Timing Cover Gasket Set product and part brands so you can shop with complete confidence. Coolant Change Guide: 32. Same repair as for your engine. 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. In speaking with my mechanic. The General Motors 60° V6 engine family was a series of 60° V6 engines which were produced for both longitudinal and transverse applications. Average repair cost is $820 at 89,500 miles. Over 6,000 Automotive Torque Specs. 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?. This problem has been a gold mine for GM and the auto repair industry. Well, I spoke too soon yesterday; it turns out you can remove the timing cover without dropping the oil pan. To see how frequently Chevrolet Impala problems occur, check out our car reliability stats. But I've heard of people getting around this by rigging it somehow. The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. GM 3800 Coolant leak Belt Tensioner Elbows Water Pump and thermostat replacement robinsonsauto. Click on a number for a description of the component. Specialized designs yield significant and noticeable improvements to your car engine. Stop leak works best on the radiator where small pin holes show up usually caused by internall corrioson or other causes. We've got a wide rang of top-quality Jeep J-3800 Drive Axle Gasket of all the best brands in the industry at an affordable rate. The issue whether it is worth the money to fix the leak. Driving a car with the code P0171 can cause more damage to the engine over time, as when the engine runs lean, the combustion temperature is higher. Car info: 2005 Chevrolet Impala, 3. Now, this is a pretty big job as nearly the entire top half of the engine has to come apart to do this repair. This will prove fatal in sufficient quantity. 1st, the Vin-L 3800 in your car doesn't have the problematic coolant elbow or intake gasket design that the vin-k 3800's do. passage for coolant and an attachment point for the alternator and the air pump. Rust is also damaging to critical water jackets in the engine block. Methods vary from one engine to another, so if possible consult a handbook for your make of car to verify all the details. Even the rear main seal can be done by removing the Transmission and doesn't need engine removal. Look for coolant or evidence of a coolant leak. Hoses are rubber and don't last forever; they have to be replaced every few years. Buy online, pick up in-store in 30 minutes. You will need gaskets for water pump, timing chain cover. The one at the radiator and the one showing up at the back. This is less than 6 percent of the 25 million examples of the V6 installed in GM vehicles between 1975 and 2008. The BlueDevil Oil Stop Leak is the more concentrated product and is the universal application that will work for various oil leaks such as oil pan leaks, rear main leaks, valve cover gasket leaks, etc. Symptoms of a Bad or Failing Water Pump It is an impeller pump and is usually buried under the timing belt cover on the side of the engine. 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. This part was removed from a 2008 GRAND PRI stock number 109613 and the mileage was 117000 miles. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. I just replaced one on my Dads 2000 GC 3. Find out how to solve Mustang overheating problems. Add all the necessary fluids and check for leaks. Now, this is a pretty big job as nearly the entire top half of the engine has to come apart to do this repair. 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. Other than that everything functions (for now). Maybe you have a PCV leak, valley leak ,or valve cover leak, but I'm not sure where else oil would be coming from around your intake manifold. Thanks for watching!. I have a coolant leak on a 3800 motor. The Buick 231 cu. However, remember that cheaply acquired and installed heater cores tend to leak easily and may not last that long. com, which can ease the pain a bit. I'll do the noid test and the timing chain tests in the morning. but i've never seen them piss out oil, just seep through over time. Your Options for Fixing a Blown Head Gasket. Per Fel-Pro, no sealant is needed on any of these gaskets, only some anti freeze on the water pump inlet tube o-ring. When it comes to your Jeep J-3800, you want parts and products from only trusted brands. 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. If your vehicle is not equipped with any items referred to in these instructions (EGR, transmission kick-down linkage, air. Separate the engine timing chain front cover from the engine. Discard the gasket. I basically have two questions, can I replace the timing cover without lifting the engine? If I don't have to lift the engine, what all has to come off? I hate the thought of it but would it be worth it to try some of that bars stop leak stuff? I've heard of it working miracles coolant elbows and water pump have both been replaced in the. 3800 V6 As the title states, could a damaged water pump and cracked timing cover/gasket allow coolant to get into an area of combustion? Or, is this evidence of something more serious? The timing cover has coolant channels in it and was hairline cracked during an accident; the gasket also shifted and broke. Leaks, leaks, and more leaks. 8L GM engines from 1995 thru 2005. My mechanic did the pressure check on the cooling system and determined that he could see antifreeze. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better,. Once everything looks good, you are done!Congratulations, you just saved yourself Hundreds of Dollars by Replacing your own Intake Manifold on a 3. I have had 3 new water pumps, a new radiator, several thermostats and much more. Took it to Firestone and they say the water pump is fine and the leak is coming from the timing cover. You also need to find the leak. Use care to note the position of the bolts at removal so they can be returned to their original locations. If your vehicle is not equipped with any items referred to in these instructions (EGR, transmission kick-down linkage, air. Timing belt + water pump + alternator have gone in the last 4 years, along with the coolant sensor. To see how frequently Chevrolet Impala problems occur, check out our car reliability stats. Those 3800 Buick engines came here in Holdens leaking inlet manifolds are common, One died on me last year via stuck thermostat when that was removed by a garage the coolant leaks began it was a company car and was removed from service and wrecked for parts a shame as it was one of two we had that drove ok, the others had other issues, good engines when they are going well though. Now leaking coolant externally unto header. It could be something as easy as the hose itself. 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. Then, line the bright links on the timing chain up with the marks on your camshaft and crankshaft gears to get your engine to top dead center. Last summer I did some work on my Tundra: 2002 4. This leak may be related to upper intake manifold composite material that may degrade. As the tensioner was removed only 3 years ago, you likely won't have as much of a problem. I have 157,00 miles. The fix, involving replacement of the upper plastic (composite) intake manifold, gaskets, and peripherals is costly; but much less expensive than replacing the engine, which will have to be done if this repair is not completed. 8 Liter 3800 Series II Car! Written by Joe S. The engine block in your vehicle is one of the places where cracks or leaks look like a non-repairable problem. The issue whether it is worth the money to fix the leak. According to here VN S1 / VN S2 & VP V6 3800 Timing Cover's are different. 8L Will Not Start; Fuel pump and Fuel line diagram? Timing cover oil leak; 3800 engine; Transmission Questions; 93 LeSabre; 2000 Lesabre - Massive vacuum at oil cap; Oil leaks on 98 leSabre--where from? How do you adjust the camber in 02 Buick? rattle in 95 lesabre; 1997 LeSabre stabilizer bar. Pressurize the coolant system, and see how much pressure you loose. Ford has issued redesigned valve cover adapter (P/N HL2Z-6762-A) to seal the leak. The leak discussed in this thread is caused by a leak behind the timing chain cover. Another coolant leak problem prompted GM to issue a recall on certain 2000-'03 model year Chevys, Buicks and Pontiacs with the 3800 engine. Timing covers do leak coolant. if your trying to fix the oil leak the oil pan gasket isn't going to do it our 3800 has leaked oil since is was new dealer put a new pan gasket in it about 4 times the pan gets warped and leaks. passage for coolant and an attachment point for the alternator and the air pump. 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. Some of the most common areas for oil leaks are the valve cover gaskets, timing covers, oil filters, and oil drain bolts. Coolant & Coolant Additives Timing chain covers are complete with bolts and seal. Not a lot is known about the VN S1 3800 parts/gaskets, etc. This will prove fatal in sufficient quantity. When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. Had to change my 2007 gasket 3-4 hour of taking stuff off and putting it back together. if its leaking, u'll know its leaking. 7L (xCab Limited 4WD TRD). Remove the water pump with the cover assembly and remove the cover from the pump. 5 million vehicles with this engine on April 14, 2009 due to risk of fire from engine oil leaking under the valve cover gaskets onto hot exhaust manifolds. I torque the 3 annoying star bolts, clearly remember that. It is a tricky repair though, so unless you’re particularly skilled it’s usually best left to a mechanic. Next weekend I am actually going to rip off the air plenum to change the valve cover gaskets(oil leak). 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. ) 1109 at Advance Auto Parts. They want $800 to replace the cover and gasket, flush the coolant system, and replace the Dex-Cool. 1995 through 2008 General Motors 3800 coolant leak issue davesgarage512. Timing covers do leak coolant. Pontiac Grand Prix Engine Problems. Exact location may vary depending on vehicle year / make / model. Radiator, water pump, hoses etc. Fel-Pro marine specialty gaskets deliver proven gasket technology that you can trust. Methods vary from one engine to another, so if possible consult a handbook for your make of car to verify all the details. The timing cover gasket may be made from standard gasket material, an O-ring style seal, or it may be sealed with a simple silicone-type sealant. That sounds like the concern. When she got here it was leaking transmission fluid and we had it towed to our local transmission shop. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Besides a chain and gear tooth inspection and water pump replacement, (IF it is leaking) a replacement of the chain tensioner may be wise. ) I was leaking coolant every time I turned around. Check for codes, note. When it comes to your Jeep J-3800, you want parts and products from only trusted brands. I have this coolant leak which appears to be coming from the rear of the timing cover. Due to strain from heat and the resulting contraction and expansion the gasket can get cracked. Apply sealer 12346004 or equivalent to the threads of the bolts and studs. Toyota designates these covers as cover 3 (the large piece with VVT-i on it) which looks like the front of a large valve cover, and cover 2, the center part of the front engine cover. The oil pan bolts can be loosened and the pan lowered slightly to add clearance for front cover installation. I would recommend giving it a try if you have an occasional drop of coolant or very small. CarComplaints. This flexible hose can be used to replace a molded radiator hose. A leaking water pump can cause overheating and the A/C to stop working in the 1. Coolant leak on 2002 Grand Prix. Frequent failure items include the intake manifold gasket, oil pan and transmission pan gaskets, valve cover gaskets, and timing gear cover gaskets. Luckily it was only the timing cover leaking. Did the Bar's Stop Leak, the old black stuff. Here is the store. All good info. Coolant Leak at. Here at Advance Auto Parts, we work with only top reliable Timing Cover Gasket Set product and part brands so you can shop with complete confidence. 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. 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. On a Series II 3800 engine, fuel pressure should be 48 to 55 psi with the key on and engine off. Having a cracked block can give a variety of strange symptoms that can be hard to identify and diagnose. His water pump is probably inside his timing chain cover, if you dont see it inline with the drive belts then, thats where it is, there are also coolant ports inside the timing cover that are kept from leaking by o gaskets and if those are shot then that will cause a leak in itself, even if the water pump isnt inside of the cover. Click on a number for a description of the component. It didn't matter if your car was a racer or a dawdling. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. To see how frequently Buick LaCrosse problems occur, check out our car reliability stats. For what it's worth, I had a timing cover leak on my wife's Dodge Caravan 3. Had the dealer do it under extended warranty ($800 repair). The head gasket is compressed between the engine block and the cylinder head. It's now leaking again in the same place. Symptoms of a Bad or Failing Water Pump It is an impeller pump and is usually buried under the timing belt cover on the side of the engine. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. Click to Enlarge. Limited Lifetime Warranty Raney's warrants its products to be free from defects in material and workmanship under normal use and service. ZZPerformance offers a complete cam install kit. Hot exhaust gases will overheat and over-pressurize the cooling system, and coolant entering the combustion process can lead to all sorts of rough running/engine damage situations. It has 127,000 miles and has been regularly maintained. There are certain years and makes of engine blocks that are prone to cracking or leaking. Had the dealer do it under extended warranty ($800 repair). Check for codes, note. the tan smoothly. I was told by my mechanic that my timing cover gasket is leaking, causing anti freeze to get into the oil. This leak may be related to upper intake manifold composite material that may degrade. Hi, About a year ago, I replaced the timing chain cover gasket on my 2000 T & C 3. I you are low on coolant but the expansion tank is full, I'd suspect the cap. Timing cover or timing cover gasket replacement walk through. Here at Advance Auto Parts, we work with only top reliable Timing Cover Gasket Set product and part brands so you can shop with complete confidence. 1995 through 2008 General Motors 3800 coolant leak issue davesgarage512. To see how frequently Pontiac Grand Prix problems occur, check out our car reliability stats. they told me it was wrong cap that i should be using 13 lb. GM 3800 Coolant leak Belt Tensioner Elbows Water Pump and thermostat replacement robinsonsauto. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. Your Options for Fixing a Blown Head Gasket. Endeavour Tools. Needed new gasket big job took it to local shop had them put a oil pan gasket on it since they have to remove so much to change the timing cover gasket. 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. This part was removed from a 2008 GRAND PRI stock number 109613 and the mileage was 117000 miles. I replaced the timing cover gasket on my 2006 Pontiac with a 3800 engine due to a coolant leak. You will need gaskets for water pump, timing chain cover. how often does the timing chain in GM's 3800 v6 need to be changed. Make sure detached pieces of the valve cover locking mechanism do not fall into the open valve cover port during removal. I have an '03 IMPALA 3. 8l 3800 harmonic balancer How the Buick Timing Cover/Oil pump works and some. Yes, what are you describing is known as a coolant 'elbow'. Chevrolet Impala Engine Problems. The fix, involving replacement of the upper plastic (composite) intake manifold, gaskets, and peripherals is costly; but much less expensive than replacing the engine, which will have to be done if this repair is not completed. Thanks again. Picutes of some common areas of coolant leaks on the GM 3. 8L V6 engine equipped vehicle, you may need to clean, replace or just disconnect the coolant level sensor to fix the problem. if need be you can use fine sand paper if any is so stuck on your digging into the metal. Thanks to info here, I've kept an eye on the Dex-Cool coolant since I bought the car in late '07. $3800 could probably get you a rebuilt engine installed. If the cover if being replaced with a new one, transfer the water pump to the replacement. The weep hole is located under the water-pump input shaft housing. Last summer I did some work on my Tundra: 2002 4. Frequent failure items include the intake manifold gasket, oil pan and transmission pan gaskets, valve cover gaskets, and timing gear cover gaskets. 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. Tensioner housing coolant elbows! yes that right lol dont ask however in addition we replace the. For the Mercedes' 300SDL, it was 10 seconds to 60 MPH. 4L engine, the warranty coverage for this issue has been extended to 10 years or 150,000 miles (240,000 km), whichever occurs first. This repair will take 10-14 hours depending on your level of mechanical ability. This will prove fatal in sufficient quantity. 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?. Feel free to contact our technical support line at 888-863-0426 with any other questions. A guide for consumers having problems with their GM intake manifold gaskets or coolant leaks in 3. TROUBLE SHOOTING POOR GAS MILEAGE. 2005 Pontiac Grand Prix GTP Sedan 4-Door - 3800 Series 3 (Grey) Recently, we have been having issues where the car would run hot due to low or no coolant. Took the truck out today to take some cardboard and garbage to the dump. (Block Combustion Leak Tester P/N GA 170B) Snap-on Tools are readily available. I can see where a leaking gasket can cause coolant to. I took my alternator off real quick to see this much. 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. 18) Start car and let idle for a while, check for any coolant leaks, carefully watch your temperature gage to make sure no overheating takes place. Another coolant leak problem prompted GM to issue a recall on certain 2000-'03 model year Chevys, Buicks and Pontiacs with the 3800 engine. Got 2008 Buick 3. 5) The leak must be where the coolant is going. If it looks colorless, rusty, or has things floating in it, then you must flush your cooling system and add new coolant. It looks like my '03 Buick with the non-supercharged 3800 (72K miles) might be due for surgery. The head gaskets, the front timing cover and the heater. Easy to use parts catalog. $3800 could probably get you a rebuilt engine installed. Leaks, leaks, and more leaks. If any section of the block inside the cover is cracked, you got yourself a serious problem there. For most cars, a timing chain replacement costs between $413 and $1040, or you can order the parts themselves for $88 and $245. 4L V6 engines is coolant leaking from the intake manifold gaskets. This repair will take 10-14 hours depending on your level of mechanical ability. 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. Never worked on gm enough to know the commons. Apply sealer 12346004 or equivalent to the threads of the bolts and studs. The gasket functions as a seal that prevents the combustion process from leaking into the coolant passages. I opened the oil pump cleaned then lubed gears then packed them with Vaseline per my Alldata subscription instructions. My mechanic says that it is the Timing cover gasket is slipping and needs replaced. It should not be used in temperatures higher than 300 to 350 degrees. How to change the timing cover gasket for 1997 buick lesabre? Oil and/or coolant leaking is suspected. The oil pan bolts can be loosened and the pan lowered slightly to add clearance for front cover installation. In this way, the timing gears and chain receive lubrication with the engine oil. 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. His water pump is probably inside his timing chain cover, if you dont see it inline with the drive belts then, thats where it is, there are also coolant ports inside the timing cover that are kept from leaking by o gaskets and if those are shot then that will cause a leak in itself, even if the water pump isnt inside of the cover. 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. 116k Miles on everything. On this vehicle Subaru recommends. 8 Liter 3800 Series II Car! Written by Joe S. The 3800 engine is a very fuel efficient engine due to its high torque at low RPM in combination with low final drive ratios in the transmissions. Last month I noted the. Hi, About a year ago, I replaced the timing chain cover gasket on my 2000 T & C 3. The two upper timing belt covers can now be ­removed to allow the setting up of the engine for disassembly. The heater core may not be critical to the function and running of your car while on the road. Power is sent rearward through a five-speed manual gearbox. 4L Ford Duratorq engines (including timing pump removal / installation). Additionally, it conducts coolant through to the cylinders in order to reduce the temperature of the engine. Last summer I did some work on my Tundra: 2002 4. Water Pump Leak. For a 95 You have to remove everything down to and including the timing chain cover. I have this coolant leak which appears to be coming from the rear of the timing cover. Timing Chain and tensioner Replacement 3800 Series 2 Supercharged 3800 series 2.