3800 Timing Cover Coolant Leak

We provide incredibly reasonable prices on quality parts. The timing cover, oil pan, and flex-plate all remain the same from '99. Coolant Leak at. It's still got about 20% coolant to 80% water mix in the cooling system though. To see how frequently Pontiac Grand Prix problems occur, check out our car reliability stats. how often does the timing chain in GM's 3800 v6 need to be changed. Enter vehicle info. It is an important gasket that seals off the timing cover and prevents fluids from leaking out, thus keeping them where they are needed. Check for leaks and top off the coolant. Replace the cover and tighten the bolts by hand. UIM failure: _____. Should I flush the coolant out completely before taking it for a. Endeavour Tools. 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. Figuring out exactly where a small leak is in a solid black car tube is tough. 5) The leak must be where the coolant is going. It is the water pump’s job to constantly circulate the coolant throughout the entire cooling circuit and thus regulate the coolant flow rate. Replace Fel-Pro Part #: TCS45993. I was told by my mechanic that my timing cover gasket is leaking, causing anti freeze to get into the oil. Threads Tagged with coolant leak. When it comes to your Jeep J-3800, you want parts and products from only trusted brands. The Buick 3800 engine, used in several Buick models over the years including the Le Sabre, sported a V6 engine configuration. I replaced the timing cover gasket on my 2006 Pontiac with a 3800 engine due to a coolant leak. There are two bypass coolant elbos on the passenger side of the engine going into the intake and timing cover from the intake and the heater core. For the Mercedes' 300SDL, it was 10 seconds to 60 MPH. Leak slowed from 1 qt of coolant every 3 months to 1/2 qt per. I just replaced one on my Dads 2000 GC 3. Gates is the largest global manufacturer of OE timing belts. I did solve the problem which turned out to be an issue with the intake manifold. If the coolant is leaking from an upper or lower coolant hose, the repair. Order Head Gasket for your 2002 Chevrolet Monte Carlo and pick it up in store—make your purchase, find a store near you, and get directions. At Bar’s Leaks, we can point to nearly 70 years of helping drivers effectively stop leaks. It is the regular base model with the 3800 engine. Intake Manifold Coolant Leaks. But I’ve heard of people getting around this by rigging it somehow. I was on my way home last night and punched it to pass, going about 100km/60mph, needless to say, it was my first time really punching it. 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. Only exception is #1 where leak cold is into cylinder. International 3800 2002, Engine Coolant Recovery Tank by Dorman®. Oil has always looked good, no sign of a heater core leak, and it doesn't appear to be burning out of the exhaust. A main shaft seal is used to prevent coolant from leaking from the pump housing. I'll do the noid test and the timing chain tests in the morning. Check for leaks and top off the coolant. This is a 2002 Impala, 3. Bad product! End result: New leak on outside of head, new crack on head, clogged the heater-core. The parts and labor required for this service are. Oil or coolant leak; Timing Cover Gasket Related Repair Advice. 2006 Pontiac Grand Prix 3800 -. It's a faulty gasket design that'll happen regardless of which coolant is in the engine. Thanks again. Hi, About a year ago, I replaced the timing chain cover gasket on my 2000 T & C 3. I have had 3 new water pumps, a new radiator, several thermostats and much more. From knocking engine rods to oil leaks and blown gaskets, engine problems are never any fun. I encountered a slight and intermittent coolant leak between the timing chain cover and the left side of the engine block. 8L V6 engine equipped vehicle, you may need to clean, replace or just disconnect the coolant level sensor to fix the problem. GM "Low Coolant" Light Flashing Repair Guide. Even the rear main seal can be done by removing the Transmission and doesn't need engine removal. 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. I drove the car to another town ~100 miles/1. Also right about the coolant. If the coolant is leaking from an upper or lower coolant hose, the repair. 6 ecoboost motors built from Oct 11 2011 to June 2nd 2013 with coolant leaks and what ford has done for the better and our personal safety. If the pressure drops and you can't find a leak, I'd suspect the heater core, or LIM. If the cover if being replaced with a new one, transfer the water pump to the replacement. 8 This part will fit these makes and models with these options:. Typical engine data sensor and control component locations on the GM 3. When shopping for Chrysler Sebring for sale, consider Chrysler Sebring aftermarket parts; often, these are an improvement on the original OEM equipment. But my guess is that it's most likely one of the 3 timing cover seals (opti-seal, water pump drive seal, or crankshaft seal). Featured Video Dorman Innovation Process. Drop 2 eggs in the rad with yolks broken and run the car for some more time. I thought the water pump was a possibility so I ordered a Gates kits with timing belt. So much for two birds, one stone! The $1,500 quote sounds a bit looney, until you see the work involved. The leak discussed in this thread is caused by a leak behind the timing chain cover. 8L 3800 v6 engine. 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. Noticed a bit of watery fluid on the ground while at the dump that I knew wasn't AC condensation due to location. This plastic manifold was used on most 3. The fix is to. Had the dealer do it under extended warranty ($800 repair). Fortunately the customer had us look into the issue and properly diagnose it because it wasn’t the head gaskets causing the coolant leak. Easy to use parts catalog. I have a coolant leak on a 3800 motor. LS6 engines do not need coolant tube replacement. When shopping for Chrysler Sebring for sale, consider Chrysler Sebring aftermarket parts; often, these are an improvement on the original OEM equipment. For what it's worth, I had a timing cover leak on my wife's Dodge Caravan 3. 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. One of the most common problems on the GM 3. Get yourself a coolant pressure tester. ) 1109 at Advance Auto Parts. A main shaft seal is used to prevent coolant from leaking from the pump housing. If the timing cover gasket breaks, you will notice engine oil leaking. Developed the same leak 13 months later (now out of warranty). 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. 8 timing cover gasket leaking coolant. The head gaskets, the front timing cover and the heater. the 3800 is known for its lower intake manifold gasket issues, especially the earlier 3800 series II engines. Kia Sorento: Timing Chain Installation. Cartalk) submitted 2 years ago by Springer09. On a Series II 3800 engine, fuel pressure should be 48 to 55 psi with the key on and engine off. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2006 Buick Lucerne. The fix is to. 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. Intake Manifold. Corrects ignition timing in response to engine knocking. On my impala with a 3800 V6 i have a coolant leak on the passenger side. it is the timing cover gasket that is leaking and yes it is fairly common, once fixed it should not reoccur. The issue whether it is worth the money to fix the leak. The head gaskets, the front timing cover and the heater. Never worked on gm enough to know the commons. The pressure did drop slightly, but I think it was leaking where it connected on the radiator. I second inspecting the radiator cap. 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. As the tensioner was removed only 3 years ago, you likely won't have as much of a problem. I got it about 6 months ago and have no record from the previous owner for a timing belt replacement. · White exhaust steam / smoke · Losing Coolant and engine running poorly, with No visible leaks. 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. This flexible hose can be used to replace a molded radiator hose. This part was removed from a 2008 GRAND PRI stock number 109613 and the mileage was 117000 miles. Most often the failure will be in the gaskets or seals on the timing cover, but occasionally, there may be a crack or chip that will necessitate replacement of the timing cover. Hi, everyone, I have a coolant leak from the timing cover on my 2003 Mercury Sable. This plastic manifold was used on most 3. Rotate the adapter counterclockwise and remove from valve cover. This Instruction sheet is designed to cover a wide vari-ety of vehicle applications. com - April 18, 2017 Overview: This guide is intended for 3800 (particularly the Supercharged Series II [L67] and Series III [L32]) owners who are new to modifying their car for performance. When it comes to your Jeep J-3800, you want parts and products from only trusted brands. Another coolant leak problem prompted GM to issue a recall on certain 2000-'03 model year Chevys, Buicks and Pontiacs with the 3800 engine. I filled up the radiator with a mix of coolant and water and restarted the van to see if it would leak, or overheat quickly. 8 engine due to the coolant passage leaking at the front of the engine (side closed to radiator). The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. 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. What - Oldsmobile 1996 LSS question. just dont sand a dip in. The carrier bolted in front of the timing chain cover to the crankcase. Endeavour Tools. it could be the intake manifold or the timing chain cover area. 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. 7L (xCab Limited 4WD TRD). the draining of coolant is normal, the little bolts let the coolant out the pump, the long ones let it out the block, why the bolts need thread sealant. Leaks: Antifreeze/coolant puddles are the most common indicator of this issue, but some leaks can be difficult to find. Some of the most common areas for oil leaks are the valve cover gaskets, timing covers, oil filters, and oil drain bolts. LS6 engines do not need coolant tube replacement. 8 His 1991 GC 3. just look around p/s pump area. Based on your info then it makes no sense that coolant could leak inside the timing cover and then drip out the bottom. 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. The engine block in your vehicle is one of the places where cracks or leaks look like a non-repairable problem. Methods vary from one engine to another, so if possible consult a handbook for your make of car to verify all the details. This is a 2002 Impala, 3. Also, some head gaskets will seal up with stop leak. Everything under the hood was original except fluids. If you have a no-start condition because there’s no fuel, the first check would be fuel pressure. it could be the intake manifold or the timing chain cover area. Intake Manifold Coolant Leaks. Use care to note the position of the bolts at removal so they can be returned to their original locations. This is an expensive repair, but I have a trick. Heat and engine vibration can damage plastic overtime causing cracks and leaks. 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. Developed the same leak 13 months later (now out of warranty). Discard the gasket. I'm assuming you are talking about the 3800 v6 engine? I don't know what hose or tube you are talking about either. 3,800 Miles: 1979 BMW 733i 5-Speed. It was a high mileage van, so I figured there would be some sort of coolant leak somewhere. Timing covers do leak coolant. Timing Chain and tensioner Replacement 3800 Series 2 Supercharged 3800 series 2. Also, if the car is overheating, you shouldn't drive it until the computer shuts it down. If you have a no-start condition because there’s no fuel, the first check would be fuel pressure. 4 v6 chevy impala? - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. I have 157,00 miles. Timing cover or timing cover gasket replacement walk through. If it starts to leak badly or leak coolant as well as oil it should be replaced immediately. 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?. Order Buick LaCrosse Timing Cover Gasket online today. There are two bypass coolant elbos on the passenger side of the engine going into the intake and timing cover from the intake and the heater core. — — ESA (Electronic Spark Advance) Ignition timing is determined by the ECM*1 [engine ECU] based on signals from various sensors. In the 1998 Chevy 1500 pickup, there. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Another coolant leak problem prompted GM to issue a recall on certain 2000-'03 model year Chevys, Buicks and Pontiacs with the 3800 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. At Bar’s Leaks, we can point to nearly 70 years of helping drivers effectively stop leaks. Once everything looks good, you are done!Congratulations, you just saved yourself Hundreds of Dollars by Replacing your own Intake Manifold on a 3. Suits engines built from 2002 - 2010. If it has a sludgy, oily surface, take your Kia Sedona to a mechanic to check for any leak in the internal head gasket. Same repair as for your engine. Oil or coolant leak; Timing Cover Gasket Related Repair Advice. 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. and recently noticed an important coolant. 8 engines are famous for coolant leaking from the intake. Most people call it the dexcool gasket leak. Is this repairable by tig welding or does the whole part need to be replace which seems to be intensive and not for the novice. 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. It's now leaking again in the same place. This is a 2002 Impala, 3. A leaking water pump can cause overheating and the A/C to stop working in the 1. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your Lucerne's engine and keeps it from overheating. 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. 1 V6 Timing cover coolant leak. 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. For a 3,800 pound diesel, that was pretty fast. Hi, About a year ago, I replaced the timing chain cover gasket on my 2000 T & C 3. While trying to help diagnose a problem over the phone, the topic of intake leaks came up. When she got here it was leaking transmission fluid and we had it towed to our local transmission shop. #1 08 Grand Prix mystery coolant leak coolant elbow cracked or the front timing cover gasket are the most common leaks to see. The issue whether it is worth the money to fix the leak. Replace Fel-Pro Part #: TCS45993. But here's the rub: Our small-block-powered subject was leaking. Melbourne cnr Elizabeth and Collins Streets facing south towards Flinders Street Station circa 1969. Coolant and air can leak through these cracks, heating up and suffocating your engine!. It's easy and cheaper in the long run and very simple to do. I had a '97 Grand Prix with the 3100. Coolant is also distributed to the cylinders in this way. V-6 3800 series II. My car started leaking a sizable amount of coolant recently and I suspected the water pump to be the problem. A main shaft seal is used to prevent coolant from leaking from the pump housing. 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. This is the easiest thermostat location for a do-it-yourself repair since you do not have to drain the. If you loose pressure, it means coolant is leaking out somewhere. That sounds like the concern. Your reservoir istelf isn't leaking. If the leak turns out to be in the radiator, you can save the cost of a radiator, at least for a while, with products that stop leaks in a car's cooling system. Average repair cost is $820 at 89,500 miles. The 3800 engine has a crankshaft damper, also known as a vibration damper. 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 caused the valve cover gaskets to leak but they had apparently run the engine for quite some time. I did solve the problem which turned out to be an issue with the intake manifold. 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. The 3800 Series II was on the Ward's 10 Best Engines list for 1995 through 1997. 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. Coolant leaks, if ignored, can lead to an overheated engine in your 2004 Pontiac Grand Prix GT1 3. 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. Alcan is right about metal erosion and gasket leaks. Chevy 3800 1955, Elite™ Engine Coolant Flexible Radiator Hose by Continental® ContiTech™. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. New completely flat-top pistons with no valve reliefs are used along with a different diameter wrist pin. 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. If you enjoyed remember to leave a like and feel free to subscribe. It'll seal the leak and you'll also be able to see where the leak is. I spoke with Buick and they acknowledged there was a recall for engine coolant leaks, but apparently being the second owner of the vehicle I was not notified. Next weekend I am actually going to rip off the air plenum to change the valve cover gaskets(oil leak). 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 head gasket is found between the engine block and the cylinder head or heads in a V-type engine. Can I be leaking from my timing chain cover? hAve a 3. A guys dumps $3,800 into the car and two weeks later sells to you for $1,200. 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. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2006 Buick Lucerne. We represent over 20 leading global brands, specialising in air tools, hand tools, impact bits & sockets, lifting. I have to top it up once in a while (maybe a cup a month), but no visible leaks until now. How to change timing chain on a Chevy S-10? pull off front dress of engine (water pump, pulleys, harmonic balancer, etc) to get access to the timing cover. Replied by Vlad2 on topic 3800 Series III Coolant Leak - 2008 Buick Lacrosse I found the leak, its a typical 3800 series leak. Yes, what are you describing is known as a coolant 'elbow'. 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. Like many problems with your cooling system, a cracked block often can mask itself during normal operation of your vehicle and only reveal itself during certain conditions making it extremely hard to diagnose. Another coolant leak problem prompted GM to issue a recall on certain 2000-'03 model year Chevys, Buicks and Pontiacs with the 3800 engine. Thread / Thread Starter. Search timing cover gasket. Free Same Day Store Pickup. The engine block in your vehicle is one of the places where cracks or leaks look like a non-repairable problem. Coolant leaking from the weep hole means it is time for a new water pump, but it also may indicate that the water pump bearings are worn. Never worked on gm enough to know the commons. I was on my way home last night and punched it to pass, going about 100km/60mph, needless to say, it was my first time really punching it. I have a 06 Town and Country. Only exception is #1 where leak cold is into cylinder. the tan smoothly. 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. This problem has been a gold mine for GM and the auto repair industry. In this way, the timing gears and chain receive lubrication with the engine oil. Easy to use parts catalog. washed everything but still smells a bit like coolant. Even the rear main seal can be done by removing the Transmission and doesn't need engine removal. Connect GDS. Coolant Leak at Timing Chain Cover? Unless the Cover is Cracked or Damaged it can be reused. Took it to Firestone and they say the water pump is fine and the leak is coming from the timing cover. but i've never seen them piss out oil, just seep through over time. The system is pressurized so any leak=coolant mess. It appears on many Buick vehicles during this period, such as the LeSabre. Endeavour Tools. 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. I just replaced one on my Dads 2000 GC 3. Change oil and coolant after 10 hours of operation to remove any contaminants that may have been left in the block. Nothing found, just the usual oil seepage and greasy undercarriage of an older vehicle. A guide for consumers having problems with their GM intake manifold gaskets or coolant leaks in 3. I still have a leak and appears to be coming from the cover behind the water pump but its hard to tell. The thermostat on the General Motors-designed engine is located on the intake manifold. 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. (verified with a manual gauge) I disassembled and packed oil pump with Vaseline thinking it would not prime. This plastic manifold was used on most 3. We represent over 20 leading global brands, specialising in air tools, hand tools, impact bits & sockets, lifting. 06 pontiac grand prix coolant leak (self. It developed a coolant leak which allows you to hear a sloshing noise when driving. Note that they are different lengths. How to change timing chain on a Chevy S-10? pull off front dress of engine (water pump, pulleys, harmonic balancer, etc) to get access to the timing cover. 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. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. 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. Search Car Torque Specifications by Engine or Model. 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. A guys dumps $3,800 into the car and two weeks later sells to you for $1,200. Had to change my 2007 gasket 3-4 hour of taking stuff off and putting it back together. Part Condition Notes: ENGINE COVER,3. 8 liter V6 engines. 1L By sean1991olds. Wife noticed problems with our 2006 Nissan Pathfinder with 120k miles on it while driving home one day. They were covered to the point that it looked like the valve cover was still on. Depends on what is going on, just a head surface (small spot) that allows coolant to sneak out and will dam up with the small flakes of stop leak mix. UIM failure: _____. My mechanic did the pressure check on the cooling system and determined that he could see antifreeze. 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. 8 liter V6 engines. My mechanic is out of town until Monday, so I took it to the Chevy dealer. So, if the leak is at the block, yes you can remove the timing cover without removing the pump. 8 liter motor. 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. 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. Like automotive engines, boat engines can develop leaks. If the timing cover gasket breaks, you will notice engine oil leaking. Sometimes though it's really not the intake gasket. How can i tell whether it's the timing chain cover gasket or the head. This Instruction sheet is designed to cover a wide vari-ety of vehicle applications. The coolant dripping from the rear plate into the sump could explain the smoke coming out the exhaust on startup. This is an invisible leak, and can totally destroy the engine if not resolved. GM Pontiac Grand Prix Coolant/Antifreeze Change Guide. plastic coolant housing at rear of engine with o-ring plastic coolant housing on engine block with o-ring water pump and o-ring BMW coolant timing chain tensioner crank seal timing chain cover gaskets valve stem seals head gasket head bolts cam cover gasket, spark plug tower gaskets, and bolt grommets exhaust manifold gaskets exhaust nuts. No red dust but there is some carbon tracking on the cap terminals inside so I have a new cap and rotor coming. 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. 4 v6 chevy impala? - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Should I flush the coolant out completely before taking it for a. Coolant Leak at. It's a faulty gasket design that'll happen regardless of which coolant is in the engine. Same repair as for your engine. A guide for consumers having problems with their GM intake manifold gaskets or coolant leaks in 3. What - Oldsmobile 1996 LSS question. However, remember that cheaply acquired and installed heater cores tend to leak easily and may not last that long. Had the dealer do it under extended warranty ($800 repair). What I do now is siphon the coolant overflow tank empty every 2 months or so and top it up with fresh coolant again. Designed to meet or exceed all Original Equipment (OE) specifications for proper sealing. There are always specs for whether the timing chain is OK. Removing the cylinder head is straightforward on pushrod engines , but more complicated on overhead-camshaft ones because you have to disconnect the timing belt or chain. my engine compartment was also messy from the coolant leak. Assuming a 3800 (3. Antifreeze leaking between block and water pump housing? - posted in All Things V6: I recently noticed an antifreeze leak which doesn't seem to be coming from the water pump itself, but instead from the gasket behind the water pump housing that bolts up against the block. Sealing an engine block coolant leak can seem like an impossible task. If you don't have coolant dripping from under your car, then I would guess you must be losing it in the engine. 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. 8 liter motor. This is similar to the leak down test. Fix one and another would leak, fix it and another would leak. Also tighten these by hand. 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 clear coolant tank, the bright red fan (typically faded to pink, on most cars), the. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. plastic coolant housing at rear of engine with o-ring plastic coolant housing on engine block with o-ring water pump and o-ring BMW coolant timing chain tensioner crank seal timing chain cover gaskets valve stem seals head gasket head bolts cam cover gasket, spark plug tower gaskets, and bolt grommets exhaust manifold gaskets exhaust nuts. 5) The leak must be where the coolant is going. 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. This flexible hose can be used to replace a molded radiator hose.