3800 Timing Cover Coolant Leak

In this way, the timing gears and chain receive lubrication with the engine oil. What I do now is siphon the coolant overflow tank empty every 2 months or so and top it up with fresh coolant again. If the timing cover gasket breaks, you will notice engine oil leaking. Specialised locking tool for Ford Transit (2. 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). Removed timing cover and oil in pump leaked out losing the prime. the 3800 is known for its lower intake manifold gasket issues, especially the earlier 3800 series II engines. 5L 1953, Automotive XL™ High Capacity V-Belt by Gates®. 4L Ford Duratorq engines (including timing pump removal / installation). Endeavour Tools. Free Same Day Store Pickup. It's a fairly easy repair. I encountered a slight and intermittent coolant leak between the timing chain cover and the left side of the engine block. Coolant is also distributed to the cylinders in this way. I thought the water pump was a possibility so I ordered a Gates kits with timing belt. 8L) engine, it has a timing. They should be changed for a set of new ones before attempting to run. Buy a 2001 Chevrolet Monte Carlo Intake Manifold Gasket Set at discount prices. Sent from my VS910 4G using EO Forums mobile app. A lot of mechanics love these engines. The one at the radiator and the one showing up at the back. 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. How can i tell whether it's the timing chain cover gasket or the head. It's now leaking again in the same place. 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 car has a coolant leak from underneath the water pump. You may have an intake gasket leaking. So, if the leak is at the block, yes you can remove the timing cover without removing the pump. 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. I torque the 3 annoying star bolts, clearly remember that. One of the most common problems on the GM 3. 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 plastic manifold was used on most 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. 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. It appears on many Buick vehicles during this period, such as the LeSabre. Now, the entire coolant reservoir is empty, and presumably, the actual radiator as well. If the water pump on this vehicle is behind the timing cover that's what will be starting to leak. Discover 10 of the most common engine problems, how to diagnose them, and how long they can take to repair in our Ultimate Guide to Car Engine Problems. I have also discovered coolant at the bottom of the engine on the passengers side below these plastic 90 degree elbows. Another coolant leak problem prompted GM to issue a recall on certain 2000-'03 model year Chevys, Buicks and Pontiacs with the 3800 engine. It’s not under vacuum. 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. How to Diagnose a Rear Main Seal Leak: Few words about your vehicle will stop you in your tracks quicker than, "you have a rear main seal leak. 8 coolant leak behind water pump and block what is the procedure to take of the timing cover! - Answered by a verified Buick Mechanic. I was gonna suggest addressing the timing cover oil leak during a timing belt change, but that applies to the 2. 12 hours ago · The seller has replaced the electric fan relay, timing cover gasket, and water pump gasket. (Block Combustion Leak Tester P/N GA 170B) Snap-on Tools are readily available. Car info: 2005 Chevrolet Impala, 3. However, remember that cheaply acquired and installed heater cores tend to leak easily and may not last that long. My mechanic says that it is the Timing cover gasket is slipping and needs replaced. 8 liter motor. Search timing cover gasket. 1-liter and 3. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2007 Buick Lucerne. They were covered to the point that it looked like the valve cover was still on. com: Car complaints, car problems and defect information. 07 grand prix water issues - Antifreeze is leaking replaced water pump, still leaks and overheats. Coolant light came on, filled to the proper level with Dex-cool, checked rad and looked for leaks but none under car. Easy to use parts catalog. Due to strain from heat and the resulting contraction and expansion the gasket can get cracked. To see how frequently Dodge Grand Caravan problems occur, check out our car reliability stats. The problem is as it gets worse it can leak antifreeze. they told me it was wrong cap that i should be using 13 lb. Always drain the coolant into a sealable container. Covers wide of modern engines including HDi / TDCi / Pumpe Duse. tacoma 05+ 1GR= timing chain = timing chain cover. 8 Liter 3800 Series II Car! Written by Joe S. 98 Grand Prix GT 3800 V6 Oil leak Grand Prix Car Forums as the piece between the timing cover and oil pan end is a common failure point, which is right where you. GM 3800 Coolant leak Belt Tensioner Elbows Water Pump and thermostat Leaking Valve Cover Gasket, How to tell. The coolant leak is probably due to the plastic screw-in hose nipple that comes out under the alternator or the water pump bearing has failed and it is leaking out the "weep hole" in the water pump casting. 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. Most freeze plugs in the engine block are not rust proof will also rust causing leaks or a quick ejection of your coolant at some point. I did solve the problem which turned out to be an issue with the intake manifold. 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. It is suggested to use the LS6 parts with this intake manifold if the intake manifold contacts the valley coolant tubes in your application. Cartalk) submitted 2 years ago by Springer09. I haven't got too deep in the search for the leak because i noticed the coolant in the picture right away. It was a high mileage van, so I figured there would be some sort of coolant leak somewhere. 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. It is part of GM’s High Feature V6 engine family. The oil pan bolts can be loosened and the pan lowered slightly to add clearance for front cover installation. Coolant leak 2006 pontiac grand prix Heat went out a week ago and now there's coolant on my driveway and the car is overheating. 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. Engine coolant does degrade over time so it is recommended that coolant be changed every few years. All good info. You will need gaskets for water pump, timing chain cover. A main shaft seal is used to prevent coolant from leaking from the pump housing. How to Install a Head Gasket. 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. This problem has been a gold mine for GM and the auto repair industry. Here is the store. if its been leaking for a while, then dirt n road stuffs will pile on like the prev pic. GM Intake Gasket - Engine #2 (is 3 coming) small coolant channels built into it crack leaking coolant into the V of the engine. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your Lucerne's engine and keeps it from overheating. 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. Feel free to contact our technical support line at 888-863-0426 with any other questions. Yes, what are you describing is known as a coolant 'elbow'. 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. Thanks to info here, I've kept an eye on the Dex-Cool coolant since I bought the car in late '07. The engine block in your vehicle is one of the places where cracks or leaks look like a non-repairable problem. 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. Thanks again. The only way to correctly replace the timing chain cover gasket is to drop the oil pan too. Corrects ignition timing in response to engine knocking. And the plastic tubes that route the coolant thru can quite often crack. Hi, About a year ago, I replaced the timing chain cover gasket on my 2000 T & C 3. We provide incredibly reasonable prices on quality parts. · White exhaust steam / smoke · Losing Coolant and engine running poorly, with No visible leaks. I had a coolant leak from what I thought was a bad water pump, so I replaced it. 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. 4L V6 engines is coolant leaking from the intake manifold gaskets. GM Performance engine RTV sealant is sure to keep your engine leak-free without shrinking, cracking, or hardening. Chevrolet Impala Engine Problems. The leak is where the metal tube goes in to the back of the water pump. To fix, it can be as simple as tightening a bolt. 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. Whether you need BMW 645 performance parts or any BMW 6 series parts, go online for the best selection. The 3800 Series II was on the Ward's 10 Best Engines list for 1995 through 1997. This plastic manifold was used on most 3. " 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. When the spark plugs were replaced, the vehicle would run well. 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. 1-liter and 3. #1 08 Grand Prix mystery coolant leak coolant elbow cracked or the front timing cover gasket are the most common leaks to see. I recently acquired a 2003 Regal with 160,000km on the clock and came across a coolant leak. The car is a '98 Buick Lesabre with the 3800 engine and about 170k miles. ) 1109 at Advance Auto Parts. Average repair cost is $820 at 89,500 miles. If the water pump on this vehicle is behind the timing cover that's what will be starting to leak. 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. Also tighten these by hand. 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. GM recalled 1. if its leaking, u'll know its leaking. The Lesabre had a replacement intake manifold in 2002 and the coolant was replaced. How to Tell if a Car's Water Pump Needs Replacement. This includes the timing cover seal, cam seals, O-rings and other seals and gaskets. Engine coolant does degrade over time so it is recommended that coolant be changed every few years. 4 million cars with its 3800 model V6 engines. If you enjoyed remember to leave a like and feel free to subscribe. A guys dumps $3,800 into the car and two weeks later sells to you for $1,200. This will prove fatal in sufficient quantity. There are no coolant passages inside your 3800 Buick timing chain cover. If the timing cover gasket breaks, you will notice engine oil leaking. This was on a Ford 289 V8. 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. Fuel leak at fuel line/fuel rail connection on 3800 By Leadfoot , Urgent opinion please coolant leak timing cover 3. 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. Find Dorman Timing Covers 635-531 and get Free Shipping on Orders Over $99 at Summit Racing! Top-off your timing belt or chain installation properly with a Dorman timing cover. They were covered to the point that it looked like the valve cover was still on. Fel-Pro marine specialty gaskets deliver proven gasket technology that you can trust. Now, this is a pretty big job as nearly the entire top half of the engine has to come apart to do this repair. Cartalk) submitted 2 years ago by Springer09. It's so bad that after replacing the lower intake manifold gasket (which I thought was the problem initially), as I was refilling the radiator with coolant it started dripping from there, the engine wasn't even on. 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. Apply sealer 12346004 or equivalent to the threads of the bolts and studs. The leak is where the metal tube goes in to the back of the water pump. Kent-Moore EN-49940 Coolant Pipe Unlocking Tool Chevrolet Cruze KMEN-49940 Unblocking coolant pipe at turbo charger (flow & return) to hold up retaining ring at demounting the pipe. Without a doubt, the water-pump "weep hole" is leaking coolant straight down across the lower part of the timing chain. It'll seal the leak and you'll also be able to see where the leak is. A leaking water pump can cause overheating and the A/C to stop working in the 1. To see how frequently Pontiac Grand Prix problems occur, check out our car reliability stats. I have this coolant leak which appears to be coming from the rear of the timing cover. 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. There was so much build up of carbon that when we took off the valve cover you could not see the rocker arms. If the water pump is leaking, check the serpentine belt for signs of fluid contamination. Gates is the largest global manufacturer of OE timing belts. Drop 2 eggs in the rad with yolks broken and run the car for some more time. Removed timing cover and oil in pump leaked out losing the prime. 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. How to Diagnose a Rear Main Seal Leak: Few words about your vehicle will stop you in your tracks quicker than, "you have a rear main seal leak. Find out how to solve Mustang overheating problems. The job requires draining all the coolant from the engine, removing hoses, the fan and pulleys and pulling the damper. How to Tell if a Car's Water Pump Needs Replacement. Where GM engines do excel is coolant leaks, however. Tensioner housing coolant elbows! yes that right lol dont ask however in addition we replace the. 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. This is an expensive repair, running from $3800 - $4800. I have a 06 Town and Country. 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. GM recalled 1. Only exception is #1 where leak cold is into cylinder. Also, take a flashlight and check around the intake gasket areas. Enter vehicle info. If the cover if being replaced with a new one, transfer the water pump to the replacement. My mechanic did the pressure check on the cooling system and determined that he could see antifreeze. It's easy and cheaper in the long run and very simple to do. The timing cover, oil pan, and flex-plate all remain the same from '99. My 2000 chevy Impala has white smoke that come’s out the tale pipe, the car does not seme to over heat, butt my temp gage does not go to the middle like most car’s, i replaced all the plugs and wire; because the car was miss firing, the plugs where bad thou. If you loose pressure, it means coolant is leaking out somewhere. There are several factors that cause water to get into the engine oil, including leaking intake manifold gaskets, cracked engine castings and a blown head gasket. Radiator, water pump, hoses etc. If the water pump on this vehicle is behind the timing cover that’s what will be starting to leak. Order Buick LaCrosse Timing Cover Gasket online today. Besides a chain and gear tooth inspection and water pump replacement, (IF it is leaking) a replacement of the chain tensioner may be wise. Find out how to solve Mustang overheating problems. The car is a '98 Buick Lesabre with the 3800 engine and about 170k miles. It will save you labor charges if you do other maintenance while the timing chain cover is off. Engagement After the air reaches a temperature Of 78 cc to 860C at the bimetallic strips. GM Performance engine RTV sealant is sure to keep your engine leak-free without shrinking, cracking, or hardening. 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. So if there is water in the oil, then I guess the number one candidate is intake gaskets. Apply sealer 12346004 or equivalent to the threads of the bolts and studs. 8L that leaked and stop leak worked for a little while. Easy to use parts catalog. How big of a job is this to change the gasket?. Nothing coming from the valve cover, isnt coming from the timing cover either. Leaking coolant is one of the more common types of fluid leaks on Lucernes. These have been known to bend if a cylinder hydraulic locks with coolant or fuel. Next weekend I am actually going to rip off the air plenum to change the valve cover gaskets(oil leak). On this vehicle Subaru recommends. This will prove fatal in sufficient quantity. Watch this free video to see how to fix minor coolant (antifreeze) leaks in a 2004 Pontiac Grand Prix GT1 3. Everything under the hood was original except fluids. The head gaskets, the front timing cover and the heater. New completely flat-top pistons with no valve reliefs are used along with a different diameter wrist pin. Coolant light came on, filled to the proper level with Dex-cool, checked rad and looked for leaks but none under car. It'll seal the leak and you'll also be able to see where the leak is. I know with an OHC belt it needs to be changes 100k+ but this is a chain its stronger. To see how frequently Pontiac Grand Prix problems occur, check out our car reliability stats. Also the spark plugs are fouled with the coolant. 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. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your Lucerne's engine and keeps it from overheating. I took my alternator off real quick to see this much. Had the dealer do it under extended warranty ($800 repair). all of the 3800 series II's. This is the easiest thermostat location for a do-it-yourself repair since you do not have to drain the. Exact location may vary depending on vehicle year / make / model. From knocking engine rods to oil leaks and blown gaskets, engine problems are never any fun. 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. There is not any coolant going through a hose in the intake manifold. If the cover if being replaced with a new one, transfer the water pump to the replacement. Oil leak 3800 II, UV Dye - pan bolts dripping? or possibly timing cover/something else without pulling off some of the accessory drive parts. After doing the courtesy inspection, a mechanic familiar with my car fills out a form with some problems I should get fixed, the main one being that the intake is leaking coolant. com, which can ease the pain a bit. It now has 80K miles. I had the same problem in my Camaro. 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 Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. This is the most common place to see a coolant leak on these vehicles. On my impala with a 3800 V6 i have a coolant leak on the passenger side. I opened the oil pump cleaned then lubed gears then packed them with Vaseline per my Alldata subscription instructions. This plastic manifold was used on most 3. Coolant is also distributed to the cylinders in this way. We represent over 20 leading global brands, specialising in air tools, hand tools, impact bits & sockets, lifting. Leaks, leaks, and more leaks. EGR Valve Throttle Body Mass Airflow Sensor (MAF) Idle Air Control Motor (IAC) Coolant temperature sensor Fuel Pressure Regulator Throttle Position Sensor (TPS) EVAP System Purge Valve Solenoid PCV Valve / MAP Sensor. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. As well as the usual coolant water leaks associated with my Chrysler Voyager 3. Allows for the removal of the chain driven high pressure diesel fuel pump while maintaining engine timing / timing chain position. Featured Video Dorman Innovation Process. If you loose pressure, it means coolant is leaking out somewhere. Timing chain cover to engine block water coolant leak. Attach the pump to the engine and tighten these bolts by hand. Originally a timing cover coolant leak. For a 95 You have to remove everything down to and including the timing chain cover. 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. I'd say if the water pump weep hole was leaking and you got the water pump replaced, you're in good shape. The only way to correctly replace the timing chain cover gasket is to drop the oil pan too. Also, some head gaskets will seal up with stop leak. How to Tell if a Car's Water Pump Needs Replacement. Timing Cover Gasket Fit Buick GMC Chevrolet 4. you check out the engine bay. 3 V6 (2000) e. 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. Any timing chain can require replacementDepends on many factors. Chevy 3800 1955, Elite™ Engine Coolant Flexible Radiator Hose by Continental® ContiTech™. A vacuum gauge can tell you a lot about an engine's condition, similar to a full leak down test - but in a much easier way. Anyone replaced timing chain on '93 3800 engine? and I am ready to put the timing cover back in place. If you enjoyed remember to leave a like and feel free to subscribe. 8l 3800 harmonic balancer How the Buick Timing Cover/Oil pump works and some. Thanks again. This Instruction sheet is designed to cover a wide vari-ety of vehicle applications. You can replace a damaged water pump in this engine if the vehicle begins displaying signs of water pump failure. Oil leak 3800 II, UV Dye - pan bolts dripping? or possibly timing cover/something else without pulling off some of the accessory drive parts. 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. 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. I have a genuine GM V6 rear cover gasket and seal that I won't be needing after I found the other I looked at wasn't leaking. 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. Check for codes, note. Separate the engine timing chain front cover from the engine. New completely flat-top pistons with no valve reliefs are used along with a different diameter wrist pin. Always drain the coolant into a sealable container. Leak slowed from 1 qt of coolant every 3 months to 1/2 qt per. The system is pressurized so any leak=coolant mess. ) 1109 at Advance Auto Parts. 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. Feel free to contact our technical support line at 888-863-0426 with any other questions. There are no coolant passages inside your 3800 Buick timing chain cover. I ran it to temperature with pressure, had the heater on, still saw no leaks. Pontiac Grand Prix Engine Problems. Coolant is highly toxic, so be sure to wear safety glasses and gloves and always clean up spills promptly as animals are attracted to the sweet taste of coolant. Thanks for watching!. The head gasket is found between the engine block and the cylinder head or heads in a V-type engine. On the Chevrolet 350 engine, replacing the timing chain requires some disassembly. 3800 V6 Engine Sensor Locations. 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. “Leaking coolant” “Oil leaks from the covers over the ignition coils - more commonly referred to as "Valve Covers". Remove the front cover bolts. It’s not under vacuum. 8L, 122K as of 8/2017, just got a timing cover coolant leak, so at 163K yours did vey well. How big of a job is this to change the gasket?. Cartalk) submitted 2 years ago by Springer09. Leak slowed from 1 qt of coolant every 3 months to 1/2 qt per. Coolant is also distributed to the cylinders in this way. Did the Bar's Stop Leak, the old black stuff. 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). The green is coolant leaking down from behind the timing cover. 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. 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. So, if the leak is at the block, yes you can remove the timing cover without removing the pump. 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. Assuming a 3800 (3. There are no coolant passages inside your 3800 Buick timing chain cover. Timing Cover Gasket Fit Buick GMC Chevrolet 4. 8 His 1991 GC 3. Now leaking coolant externally unto header. 8L GM engines from 1995 thru 2005. Once everything is out of the way you can remove the bolts/nuts that hold the cover to the engine. In this way the cooling system is getting a fresh transfusion all the time. 1L By sean1991olds. Timing cover or timing cover gasket replacement walk through. There was an extra water pump gasket which was not used in the kit. You will need gaskets for water pump, timing chain cover. The system is pressurized so any leak=coolant mess. Exact location may vary depending on vehicle year / make / model. I would recommend giving it a try if you have an occasional drop of coolant or very small. Had to change my 2007 gasket 3-4 hour of taking stuff off and putting it back together. But among those that don’t love them so much, some of the biggest complaints center on plastic gaskets and seals. It looks like my '03 Buick with the non-supercharged 3800 (72K miles) might be due for surgery. Your car’s head gasket is a simple piece of metal coated in a rubber-like material, and yet head gasket failure is one of the single most crippling ailments an engine can face. When does it leak? Only when the car is running?. GM "Low Coolant" Light Flashing Repair Guide. After a short visual inspection one of our Master Technicians quickly found that the head gaskets were fine. I've searched the net and most people say upper intakes or head gaskets, which I have had replaced 2 years ago and car shows no sign of head gasket fail,does not overheat and runs good. 8 engines are famous for coolant leaking from the intake. intake gasket as well if it is indeed a coolant leak into the. Wife noticed problems with our 2006 Nissan Pathfinder with 120k miles on it while driving home one day. Problems include coolant leak, coolant odor, milky colored oil, milky or whitish substance on either the dipstick or oil fill cap. Thanks again. Looked near fan belts, the "tray" under the engine has a little coolant there but not as much as I have put in. 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. Feel free to contact our technical support line at 888-863-0426 with any other questions. 4L V6 engines is coolant leaking from the intake manifold gaskets. Hoses are rubber and don't last forever; they have to be replaced every few years. There are certain years and makes of engine blocks that are prone to cracking or leaking. The intake manifold is attached to the top of the engine by the intake manifold gasket, which has to be monitored as it is susceptible to cracking under the heat and pressure and allowing coolant or oil to escape. The oil pan bolts can be loosened and the pan lowered slightly to add clearance for front cover installation.