Gm 3800 oil in coolant. Coolant Elbow O-Rings.

Gm 3800 oil in coolant 8 series 3 with 150k miles) has a slow coolant leak that I can’t seem to place. Discover the coolant flow diagram for the GM 3800 engine, understand how coolant circulates through the engine, and learn about common issues and solutions related to coolant flow in this comprehensive guide. I had a 1989 Olds. 07 classic lbz , egr blocker , finger stick, custom traction bars, diamond eye quite tone exhaust , air filter box modification. MY 1992 onward. The motor is sipping coolant, and not through an external leak. pvc re-route, resonator removed. Thanks to info here, I've kept an eye on the Dex-Cool coolant since I bought the car in late '07. Symptoms were oil in the coolant, a burnt coolant odor in the exhaust, and loss of coolant in the reservoir. The 3800 can take coolant leaks better then any other engine I've seen. I will post this on Naisso in 2000-2005 section, but I thought somone here might have experience/knowlege about this. That would explain coolant in your oil. 2 So no-go on a Dexcool-to-Dexcool fluid replacement - even as GM recommends? I'll look into the peak lifetime formula. " Part 1 HERE! Oil in the Radiator! Top End Internal Tear Down! GM 3800 3100 3400 3. Rebuilt the engine, new bearings, cam, lifters, valve job, ground the crank due to spun #6, new oil pump, and all tolerances in spec. He had it fixed at a shop, for considerable cost. Conventional green coolant is Lower Intake Manifold Leak-Final Assembly! Oil In Coolant GM 3. Joined Sep 12, 2012 Messages 1,981 There is no sign of coolant in the oil or oil in the coolant, the coolant level has only dropped slightly over time, and the engine has not overheated in the 13+ months I have owned Your upper intake manifold is leaking. Another coolant leak problem prompted GM to issue a recall on certain 2000-’03 model year Chevys, Buicks and Pontiacs with the 3800 engine. When I checked the oil, it wasn’t on the dipstick at all—it was 4 quarts low. GM 3800 Service Tips, Techniques, and Advice. Mar 22, 2011 I did my 04 3800 a couple months ago and here is my advice. It's going into the shop for a very expensive gasket replacement. There will be a huge puddle. com/c/RainmanRayOutoftheShopFollow on Twitter: This is on a 97 Oldsmobile LSS with the 3800 series 2 Motor. R. Jump to Latest A forum community dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series engine. Tips, techniques, and advice for DIY'ers on repairing and maintaining the GM 3800 series I-III engines & cars (C F G GM Technician since 1999 GM World Class Technician since 2009 CSA Certified Compressed Natural Gas (CNG) Fuel System Inspector Engine Coolant Manifold Bolt (24) Engine Coolant Manifold (25) Engine Coolant Manifold Gasket A forum community dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series 3800 Possible Engine Failure. BOB IS THE OIL GUY® Back. Change your intake gaskets Remove the radiator cap, remove the SC, put your thumb over one of the SC coolant holes and blow air through the other. Thread starter terry274; Start date Jan 3, 2011; Status Not open for further replies. It was a pretty good leak, a steady drip*drip*drip and it was all over the subframe. Also do NOT use dexcool in it and make sure to replace the plastic upper intake manifold, that is where the coolant gets into the cylinders. edit 2: the oil pressure sending unit was replaced at the same time as the crank seal but I'll definitely clean it off and see if that's People complaining about GM quality, etc: this is a once in the vehicle's lifetime type of repair, that even in a shop setting isn't going to be prohibitively expensive. GM 3800 coolant elbow replacement. They are plastic and after that age can disintegrate and cause a massive loss of oil and oil pressure on the road. If you're a DIY, even better as its ~$20 in parts, plus antifreeze, and a few I bought one of these for cheap a few years back because it had a bad oil leak. When they do, it’s not good news for your car’s engine. The existing steel oil pan is rusted and dented. The old composite gaskets that were used before dex-cool were junk. after a quick description over the phone i had a Coolant/Fluid Capacity. Yeah I plan to change the S/C oil soon. This is on a 2001 Pontiac Grand Prix. Part 1 HERE! Oil in the Radiator! Top End Internal Tear Down! GM Sooner or later the gasket will completely fail and dump coolant into the oil. And that is true for the 3800 in series I, II, or III. The only way to flush the old coolant is to either remove the block coolant plugs or repeatedly dilute residual coolant in the block and drain. Oil filter - AC Delco (non-ecore) oil filter Air filter - AC Delco air filter. Thread starter Joined Aug 4, 2012 Messages 517 Location New York. youtube. Exposing a fluid to air ruins it? Making it incompatible for owners to not buy a universally available mixture that does the job as good or better? tl;dr: Olds 88 with a GM 3800 V6 is burning a significant amount of coolant, but there is no sign of it in the exhaust or oil, no visible leaks or puddles even with a pressure test, no steam coming off the engine anywhere, no indicator lights going off. I replaced about 50 2. Engine started right up good oil pressure sounded great but trans. Reactions: michaelluscher. It looks like green Worse case scenario; coolant leaks into engine and contaminates the motor oil which can quickly cause bearing damage if not caught in time. The coolant leak on these engines was at the gasket between the intake The most common problems: cooling problems, sudden misfires, fuel leaks, oil leaks. top it off with GM Supercharger oil P Didn't GM put a little brass bleeder screw on most of the 3800 engines? Follow the upper radiator hose and heater hoses, to locate the highest point in the coolant system. These bolts are located in the right front and left rear corners of the lower intake manifold. 8 GM Series II Intake Manifold coolant leak causing hydro lock. 8 #mechanic https://youtu. Mar I got home yesterday and noticed a puddle of coolant under my Buick (3800 S3). 103): My son has a 2005 Coolant can still migrate into the oil here, but the above symptoms would come first. I have a coolant leak on the rear passenger side of the engine. This is reminding me of the 98 Buick Park Ave. The stock elbows are made of plastic and Another coolant leak problem prompted GM to issue a recall on certain 2000-’03 model year Chevys, Buicks and Pontiacs with the 3800 engine. Having said this, I "should" have coolant leaking into the sump, & not oil leaking into the cooling system if the head-gasket has failed in this way. So unless they let it eat coolant for a long time without changing the oil, you should be OK. I’ve had three other 3800’s in the past, which never had an oil pan leak. 248. Known for its durability and smooth performance, the 3800 engine has become a favorite among car enthusiasts. I GM does not recommend leak tabs in the 3800,they are mostly used in the North* engines and even then only by placing them in the lower radiator hose not the radiator itself. I fixed the issue with the aluminum parts an running The GM 3800 Series II engine, introduced in 1995, is quite a different engine from its predecessor, the Series I engine. Depending upon which type of gasket is in place, some pooling of coolant around some of the inner bolts that hold the LIM to the heads, or a small On the 3800, the radiator hoses are mounted way too high on the engine, so draining the radiator only gets out a quart or 2 (total capacity is around 12 qt) The official GM procedure is to remove the knock sensors, but they are prone to damage just by removing them, because GM is stupid and applied thread sealant on them. Make sure you replace the plastic coolant elbows and THIS IS IMPORTANT: apply silicone grease to the elbow o-rings before you install the elbows. 6 hours labor. Intake Manifold Replacement (VIN K) Removal Procedure. I wouldnt drive this thing until its fixed. With an oil like Super-Tech, I think GM has sound advice. Recalculating. In general, this plastic upper GM 3800 V6 - coolant in oil [ Expand] [ View Replies] [ Add a Reply] [ Return to Forum] Posted by dhermesc on December 03, 2019 at 07:49:14 from (24. It does NOT, I repeat, NOT look milky at all. A couple questions about the 3800 S2 intake manifold-Just so i'm clear, the manifold is the plastic box under the engine cover, right? And there were two gaskets, the lower was incompatible with Dexcool? -Have most gaskets or manifolds been replaced by now? This teardown of a legendary GM 3800 V6 engine reveals surprisingly little wear considering it was running with coolant in the oil. This is a 2002 Pontiac Firebird with the GM 3. Universal averages show typical wear levels for this type of engine after about 4,700 miles The green coolant GM used ate Blocks, Timing Covers, Heads, and Intake Manifolds for years. The long bolt was right into the rear valve cover. It probably just needed lower intake gaskets and whatever radiator issue you had. Always use the bleeder screw when servicing the GM 3800. Here's their comments: Quote: Everything looks good in this initial analysis of oil from your Park Avenue's 3800. GM engineers sucked designing the gaskets for that engine and anything dexcool touches turns to garbage. This was on Platinum 10w-30 after 5,200 miles, no oil added. I would pull the upper plastic intake plenum and if coolant is puddled in the lower intake replace the planum and gasket. 9's LS6 springs, Intense OR Rods, IC, GenV, PLIM, N*, LQ4, 13. As Triple_Se7en said: the GM 3800 will give good results on anything that resembles motor oil. 8 and 3800 motors, but not a ton, they really are a good motor. After replacing the gaskets flush the cooling system really well with just regular old green 3800 V6 3. The lower intake gaskets is where the coolant gets into the oil. Joined Nov 22, 2004 Messages There is no higher maintenance in a SC For the GM 3800 V6. $45 for the gasket and 4. GM lost a bunch of money over it as coolant would get into the crankcase and then ruin the engine. com Oil Pan Bolt 14 Nm (125 inch lbs. RainmanRaysRepairs. Dont forget Diagnosis of oil leaks on a GM 3800 V6----------------------------------------------------------------------------------------------------------------------- The low oil warning went off about 3,000 miles into the current oil change. For cars with dished oil pans, you will have to jack up the front end pretty high on stands, and rock driver’s side higher then lower with a floor jack to get all the oil out. Replacing the coolant heater thermostat bypass elbow pipe due to it leaking. You could put 5W-30 if you wish, but 10W-30 is what it was built for. w/ 3800 and ran 10w-30 in the summer and 5w-30 in the winter, the car currently has 325,000 miles on it. Joined Nov 7, 2009 Messages 2,430 Location Oconomowoc Wi. A GM 3800 losing coolant? Intake manifold gasket, it's a no-brainier. New GM ACDelco. It will lay in the top of the lower intake. 6,085 likes · 8 talking about this. Coolant leaking from the back of a GM 3800 series 3. Advanced Search 1995 96 RS 3. 103): My son has a 2005 Impala with the 3800 engine. The original nylon gaskets are a poor gasket and GM revised them with an aluminum framed gasket. Step 4: Wait for coolant to drain and consume beverage of choice Toyota red in GM 3800? Thread starter 71Chevyguy; Start date Jan 12, 2019; Status Not open for further replies. Step 1: Disconnect upper radiator hose from T Stat housing Step 2: Remove Front knock sensor wiring from knock sensor Step 3: Remove Front Knock sensor without soaking yourself with coolant and draining all coolant into something you can collect the coolant in for proper disposal. Thanks for your help guys! S. Joined Jun 14, 2021 Sounds like they had the coolant changed and for whatever reason the system didn't 'burp and a large amount of air stayed in the system and the car overheated. It blew the head gasket and the coolant is getting into the exhaust I see a lot of threads about replacing the lower intake manifold's OEM gasket with a good aluminum framed gasket, such a Felpro gasket or revised GM OEM gasket part # (P/N 89017554) per GM bulletin 04-06-01-017 issued in May, 2004. Some will get consumed on acceleration as the coolant sloshes. but leave drain plug out when poping the rear cover you can just jar it and the coolant drains down the block into the oil pan and into your convienent catch pan instead of all over the place. Hey everybody, Today while checking my truck, 95k1500, i discovered oil in the coolant. Recently replaced the heater hose - elbows - successfully - on my 98 Intrigue, and now few weeks later, I have coolant spewing from my EGR valve. Series 2 & Series 3 L67, L32, L36, L26. GM used a plastic lower intake manifold gasket that would break down over time caus edit: oil pressure dropped towards the end of the drive to 30PSI, usually only hits 40-45 when fully hot like that. Thread starter mk378; Start date Mar 25, 2019; Status Not open for further replies. If left unchecked, you could end up with coolant in the oil as well. How To Replace Install Upper Intake Manifold 1996-05 Buick How to flush out the radiator and add fresh coolant (antifreeze) to the GM 3800 Series II 3. A leaking intake gasket on a 5. Not an intermix situation. Two UOAs have shown a hint here and here of higher sodium, but no indicator of a leak, and the oil has always looked fine. Dorman 47065HP heater conne GM 3800 Service Tips, Techniques, and Advice s d n p r S e t o o 1 4 i 4 1 a 0 3 l r 5 f c h 0 a 3 f c 1 8 g 1 6 l 0 9 g 1 1 4 M 6 u 2 h 0 a 3 u , 4 c a 1 9 1 1 · Shared with Public I have never had my coolant elbow leak. Would be going into a 97 Regal GS L67 with all new cooling system, since it sprung a leak in the radiator. Thread starter NMBurb02; Start date Mar 4, 2014; Status Not open for further replies. oil pan. When it comes to GM's legendary 3800 V6, not even a gooey 3800 V6 3. A buddy of mine has an '04 Grand Prix and his intake manifold gasket leaked and filled the oil with coolant. Oil, coolant and fuel capacity for Pontiac Grand Prix 3800 V6 in 2006, the model offered since mid-year 2005 in North America - factory declared capacities of oil, coolant and fuel. Dreaded GM 3800 intake manifold gasket problem? Thread starter Benzadmiral and the pressure test may confirm that. was leaking bad. Suspension, Brakes, PRJ Wires, RPJ Rails, BadSSEI Radiator, Meziere EWP, 1. Joined Aug 24, 2014 Messages 665 BOB IS THE OIL GUY® Back. In this article, we will explore the engine configuration, engine oil specs, and service intervals of the Buick 3800 engine. Gm 3800 coolant leak . filled the coolant, came home. Pressure tested the system, but didn't find any leaks. Loses a lot of coolant, not in the oil or externally leaking. 1 Off GP - Parted Out Coolant in the lifter means coolant in the oil and you'd see milk in the oil. Apply Permatex 2B to the threads of the LIM bolts. I have searched the oil pressure threads and have not seen issues similar to mine so I thought I would post. After doing research I discovered the upper plenum was often the cause, so after spring rolls around and it warmed up I replaced the plenum and car ran fine. Top In 19yrs at GM dealerships I have done head gaskets on the 3. Some where above the oil filter. i spent $25 at the dealer this time and got the good GM parts. Did as precaution because the upper manifold was leaking oil and previous owner never changed the coolant. With the oil cooler do not take it apart it's not resealable from Gm so needs to be replaced. 8L V6 L67 or L36 engine in a 1997 to 2003 Pontiac Grand Prix. This $400 dealer fix can be done for about $50 and a few hours of your time. SnowDrifter. 2006 Pontiac Grand Prix 3800 V6 Specifications Review Also check for water in trans oil or engine oil, remember when a engine shuts off oil pressure is 0 and coolant is still under pressure, Good Luck. Buick lesabre with a 3. I had planned on tackling the UIM kit replacement sometime in the future, as this engine has 150k on it, and I guess the future is now Uses a quart in 5,000 miles. Come join the discussion about performance, modifications, classifieds, troubleshooting, builds, tunes, superchargers, maintenance, and more! # PI1217: DIAGNOSTIC TIPS FOR TRANSMISSION FLUID LEAKING FROM VENT AFTER INSTALLING A REMANUFACTURED TRANSMISSION OR VALVE BODY (APR 15, 2014) Subject: Diagnostic Tips for Transmission Fluid Leaking i have 91 oldsmobile with gas in the oil and it is a 3800, want start acts like the battery is dead, some say computer or the fuel regulator? Top. Joined Jul 3, 2005 Messages BOB IS THE OIL GUY® Back. With all this talk about the lower intake manifold and its I am replacing the plastic engine coolant elbows for the third time in less than a year on my 3800 V6. Joined Jan 17, 2003 Messages 3,462 As the air comes out, your coolant level will drop down. My mom has a 3. Used it 3x on my Buick so far. Abnormal Engine Coolant Consumption or Coolant Leak Models: 1995-’97 Buick Riviera Low Coolant Light Flashing Solution Guide - GM 3800 Series II 3. Routine Oil looked like a chocolate milk shake, and I have coolant on top the intake manifold, so I figure it has to be the infamous intake manifold gasket. This vehicle came in with an large oil leak on the engine and an oily substance in th This is a picture of one of the heads, with the LIM gasket removed. E. It's been sitting since last winter and I finally decided to try and save it. 3. I drove to church anyway. -Thank you all in advance. 26 KiB) Is there coolant in the oil?? It may be possible that coolant could be getting in from a bad intake manifold gasket or the intake manifold itself could be bad, and coolant could get dumped into each cylinder from the intake valve, and when you tried running the car, there is a possibility that the coolant messed with the a/f mix, and stalled because of the coolant in there The GM 3800 Series 2 engine diagram typically includes detailed illustrations of the engine block, cylinder heads, crankshaft, pistons, valves, and other key components. As an early symptom, you may see oil drips on the pavement under the rear passenger side of the engine compartment. The OEM intake manifold gasket tends to deteriorate after 60,000 or so miles in the area that seals the cylinder Lawsuits against GM, and their changing the formula used have proven they knew the additives in DexCool were the culprit for many problems, not just 3800 LIM gaskets. Helped a good friend of mine tear apart his cousin's GTP that was fubar due to coolant getting into the oil and sludging it to death. 3800-fuel-pressure-regulator. Here’s the story: I bought it a year and a half ago, and I don’t think it used any then. Yes same here. . until the following winter when the car did the same thing first time it got cold outside. Top How to flush out the radiator and add fresh coolant (antifreeze) to the GM 3800 Series II 3. I would instead, sample the used oil to check for coolant contamination instead of paying your mechanic to test the cooling system. This article probes the common problems in the 3800 Series 3 engine based on Another coolant leak problem prompted GM to issue a recall on certain 2000-’03 model year Chevys, Buicks and Pontiacs with the 3800 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. I also noticed that the coolant reservoir looked dark, so I opened it up and found sludgy black oil mixed with coolant, but there was no coolant in the oil. Make sure you have an accurate inch pound torque wrench! Looking at 2000-2005 Lesabres and Impalas. mechanic says the My 2006 Lacrosse (3. Same re That being said, a great deal of heat passes through there also, and it causes the plastic intake to crack at a nearby coolant passage, and coolant leaks into the engine. 8L GM engines in 1 year. ) GM used a sealant (no gasket) on my ‘04 Park Ave. If your car has an engine oil display, you may see the oil pressure go to a value over 100 psi before it fails. www. Technically all GM engines call for 5w30 or 10w30. Plain and simple. Any minor radiator or heater core clogging in the 3800 can become fully clogged up with the tabs and almost imposible to clear. Common Problems in the 3800 Series 3 Engine. I had a brain fart earlier on radiator forgot they did not I have a 99 Buick LeSabre (3800 Series II) with very low miles and the original factory Dex. Change the oil sending unit at 15 years of age. A forum community dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series engine. The rad-cap indicates good pressure in the system that holds well when hot, & sucks from the reservoir when cooling "noticed a significant amount of coolant loss. Bring the engine back Be careful to rule out other sources of coolant leaks, like the plastic coolant elbows at the front of the engine near the accessory belt tensioner, the heater core, the radiator, and the hoses. our 98 grand prix gt has 113,000 miles. GM 3800 V6 fuel pressure regulator. Joined Jun 5, 2003 Messages 29,628 Location BOB IS THE OIL GUY® Back I this a normal oil pressure anyone for startup, have seen a few threads on net saying it is/could be/who knows Thanks -D-----2003 Impala 3800 LS 122K Dry California miles L26 Aluminum UIM swap-mirror polished -bye bye coolant in oil '98 Camaro Aluminum Valve Covers from JY, mirror polished bye bye oil fires Dead Bugs in Radiator Nothing Else Its likely not your valve cover gaskets, and its never your upper intake manifold gaskets. 8L Coolant leak & oil in coolant resevoir Camaro Issues / Problems | Warranty Discussions I have a 96 3800 V6 Bonneville, they are notorious for the upper & lower plastic intake gaskets going out. Long story short, 10W-30 may be more shear stable in these engines. If there's no sign of coolant in the oil I'd have the radiator tested to see if the intermix is coming from a failed oil cooler inside the radiator. Important: Engine Code K has two bolts which are hidden beneath the upper intake. 8L 3800 Series II Engine #repair - YouTube. The oil cap is a reminder for people who don't know how to look it up, the proper chart is in the owners manual. By the time the Series III came out, 5W-30 had improved to the point that shear isn’t much of a concern. Replacement of cooling system elbows on GM3800 Series III Leaks can occur in various parts of the 3800 Series 2 Diagram, such as the coolant passages or oil seals. The 5W-30 at least from now through March will make cold starting much easier. But in my production year 3800 Series II the lower coolant is built in to the tensioner and is metal. A new plenum and gasket fixed it after we got the coolant out. I put on a new intake and that's solved the coolant leak but The acidic coolant attacked the plastic gaskets. And you are right, prior owner may have known about it and popped in some sealer into the cooling system (and who knows what other system). You have to tear it down to the heads to fix it right. Thread starter swampdodo; Start date Oct 27, 2021; S. FYI any tick in the 3800 75%+ of the time is bearing related in my experience. Link als Well, Luis, at a GM dealership you can expect to pay between $350-400. Did upper and lower intake manifold gaskets with the aluminum frame lower gaskets and upgraded upper manifold at 50k miles. W hen it comes to GM's legendary 3800 V6, not even a gooey, deadly The throttle body has coolant passages flowing coolant from the UIM. If the coolant has not been done I would have it vacuum changed immediately as well. Was due to the aluminum head expanding at seven times the rate of the cast iron block. The rad-cap indicates good pressure in the system that holds well when hot, & sucks from the reservoir when cooling 2004 Buick Lesabre 3800 SII L36 engine. A year later, while coming over a mountain pass and with sufficient oil, it spun a bearing and the engine was completely trashed. The blower oil is more like jet turbine oil, purchase it from the GM dealer. xx in 60* weather 3. Have run Pennzoil Hi all. 8 liter came in with an antifreeze Leek, customer stated the water pump had failed. Perhaps a cup, so significant. Name to come 2013 GMC Denali HD 2500 ccsb,100%stock,spray liner,B&W, Sold not forgotten The only time the oil sees the coolant is when the oil is around the outside of the oil cooler coils. If that's the case you have a bigger issue and chances are your bearings are junk if it's been in there a while. The oil pump draws oil from the oil pan Oil can seep into the coolant, but the coolant can seep into the combustion chamber where it is boiled off by combustion. Oil in your coolant is a sign that something is seriously wrong with your car. However 5w30 became the "recommended" oil in most temperatures a while back. Though that is a fine oil there. I have a 3800 II that is going in a marine application. GM Cooling System Seal Tabs- For Cadillac Aluminum Engines & Other GM Iron & Aluminum The cooling system of the GM 3800 Series 2 engine is designed to efficiently remove heat and maintain the engine’s temperature within the optimal range. The lower intake gaskets are a known problem tl;dr: Olds 88 with a GM 3800 V6 is burning a significant amount of coolant, but there is no sign of it in the exhaust or oil, no visible leaks or puddles even with a pressure test, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The 3800 and Northstar were the last hold outs for the 10w30 cap. Did a compression test, and it passed. 5 million vehicles with this engine due to an oil leak issue that could result in a fire. Come About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I have a 95 regal that was headed to the junkyard due to coolant and oil leaks. The GM 3800 engine has been a staple in the automotive industry for decades, powering a wide range GM 3800 head gasket leak. Rev the engine to about 2500 and maintain while you do the following: fill the radiator with fluid to the top of the fill port, remove the funnel, then put the radiator cap on. You know the nice milkshake, but the kinda ya dont wanna drink?! I in this thread in this sub-forum in the entire site. NMBurb02. I use silicone grease most of the time but only motor oil on Directly related to an air bubble in the system IMO, the other is the lower intake gaskets getting destroyed from unchanged coolant. Come join the discussion about performance, modifications, classifieds Its best to replace the sending unit every 12-15 years as a preventative measure to prevent disaster. Some googling has revealed that the aluminum oil pan below should fit. Coolant leaking from the back of a GM 3800 series 3 mk378; Mar 25, 2019; Mechanical/Maintenance Forum; Replies 8 Views 12K. there is that well know issue with GM's 3. Had to have it resealed at only 40k km’s. top it off with GM Supercharger oil P From GM forum. Coolant can still migrate into the oil here, but the above symptoms would come first. This is a set of aluminum coolant elbows for the 3800 engine. Can a bad radiator cause the oil in the coolant reservoir? No, there shouldn’t be oil in the No more oil leaks or coolant lose on the top of the engine tho :8 1995 Oldsmobile Eighty Eight - L67 Coil Packs - Autolite 605's - Flowmaster Super 44 Muffler - Magnaflow highflow CAT - Resonator delete - 180* T-Stat - NEXO NT-05 rims - 10000k HID's Regular maintenance, such as oil changes and coolant flushes, can extend the life of the engine even further. Coolant can also wick up the lower intake manifold bolts that are directly above the coolant ports and GM 3800 V6 - coolant in oil [ Expand] [ View Replies] [ Add a Reply] [ Return to Forum] Posted by dhermesc on December 03, 2019 at 07:49:14 from (24. never ran too hot or got cold while driving. jpg (10. Drove it up on blocks and noticed it had 3 sets of drips coming from between the flywheel and block under the even cyls side (Driver side, toward firewall) between oil and tranny pans (at corner of block where oil pan mates). The OEM are plastic and Dorman makes an aluminum set. Chris142. Get the DexCool out ASAP. swampdodo. C. they can dump coolant into the oil and destroy the rest of the engine. 193. monitor the plastic upper intake manifold of series 2 NA engines at the end next to the throttle body for coolant leaks. Could it be the air intake manifold? ‘97 Grand Am V6 - source of coolant-to-oil leak. 90% were from intake gasket failures that leaked coolant into the crank case and then the cranks broke. I know there are two kinds of 3800 engines - those that have the intake manifold gaskets replaced and those that will have the intake I have a 3800 series 2 and a couple winters ago it started leaking coolant internally and the car wouldn't run. One of the few trouble spots has been coolant leaks on the Series II 3800 engines with the plastic intake manifold. Mechanics often praise the simplicity of the engine design, which makes it easier to work on compared to more complex modern engines. In Reply to: GM 3800 V6 - coolant in oil posted by dhermesc on December 03, 2019 at 07:49:14: The upper intake will be the revised plastic intake (metal insert for egr passage) Even if it was leaking it would burn through the cylinders (and run like crud-misfire), or hydro-lock the cylinders. You can see the 3 air intake passages to the 3 cylinders and the 2 coolant passages that line up to holes in the LIM gasket. 2002 Firebird Series II. There is a new metal gasket out for the 3800's, so it's likely they have something similar for their other engines. I have set up the following page resource to answer all questions about the LIM gasket failure issues. so order a new upper intake manifold gasket, new valve cover gaskets, new fuel injector o-rings. Or any 10W-30. Did another pressure test, this time with the valve cover off, and sure enough, the oil was bubbling! Checked the turbo exchange as well as the oil cooler, and those check out. Thanks for watching! The whole bottom of the car is wet dripping with coolant, oil pan, frame, etc. Your battery and starter will like you for it. If I can remove the two block coolant plugs, I could probably get away with one flush with distilled water, drain again from the coolant plugs, then fill with 50:50 mixture of new coolant. Should I stay with the platinum and extend the interval? Do any of you think the pennzoil high mileage oil is a good option? I would like to run a UOA before I think about extending any oil to see if coolant is present in oil, as I know these engines have leaky intake gaskets. demarpaint. in April, 2009, GM issued a recall on 1. 8L V6 Engine I've had the "Low Coolant" light on my 2001 Pontiac Grand Prix GTPflashing 2007-2011 Toyota Camry Oil Change Guide I would say 10w30 motor oil, and change the blower oil out, it is fairly simple to do, and it stinks like ever. Keep adding coolant as the level drops below the hot line until all the air is out. I was lucky it didn't bend anything. I had with the 3800 Series 2 and it did the plenum leak and filled the engine with coolant. N. M. 8 engine. I have to add a splash (probably under a half cup) just once every couple of weeks to keep the recovery tank on full. This can lead to major damage and repair bills that will cost you more than you’d like to think about. GMBoy. This is a picture of one of the heads, with the LIM gasket removed. came home stopped for an hour, then started the car and engine was running rough for about 10 seconds and automatically shut down and was unable to restart. Regular maintenance and inspection of the cooling system components are essential to ensure proper functioning and prevent any overheating issues. S. This is why GM recommended 10W-30 in them up until the Series III came out. How To Replace Install Upper Intake Manifold 1996-05 Buick This is an all too common problem with supercharged 3800 series engines. There is no oil cooler on this engine so no leaks there. edwardh1. From a pure likely hood perspective, you have the dreaded GM DexCool and intake gasket problem. I put it up on ramps and I could that the leak originated from the general area of the water pump. Watch the coolant magically pour out of the rad fill neck 1 Off GP - Parted Out Warning for those of you with the GM 3800 V6. The lower intake gaskets are a known There is oil in my antifreeze coolant reservoir!!! I shut the car off, opened the antifreeze radiator cap. mk378 There is no sign of coolant in the oil or going into the cylinders-- I thought most intake gasket leaks were internal-- and also this is a series 3 which was supposed to have relatively trouble The longer the problem is left unresolved, the worse it’s going to get. check to make sure that the rear cover If you see no coolant outside the engine, then I would believe it is probably a lower intake gasket issue. so after doing GM 3800 Service Tips, Techniques, and Advice. It's a 3800 NA. Top The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap is removed while the engine and radiator are still hot. Coolant can still migrate into the oil here, but the The GM 3800 has always been a little hard on oil in terms of shear. Look closely at the coolant ports on this 97 Bonne gasket. Repairing the notorious leaking coolant elbow issue on a GM 3. 3 is going to suck un metered air into the engine causing lean codes and a rough idle. Replacing GM series III coolant tunes & filling power steering system 2003 2004 2005 2006 2007 2008 2009 Pontiac Grand Prix Buick Lacrosse Buick All Oil and coolant should not mix as they serve different purposes. I'll explain more later. Felpro makes a updated gasket that I've personally used to fix several 3100/3400/3800 series engines. It looks like my '03 Buick with the non-supercharged 3800 (72K miles) might be due for surgery. The last Series III 3800 in now-defunct Pontiac Grand Prix was a powerhouse, boy!!!!! Step by step tutorial - this leak is often mistaken for intake manifold gasket leak ($800 job) - drive belt tensioner assembly elbows! ($25 repair ). It may also show the routing of belts and hoses, as well as the This engine ran with coolant in the oil for quite some time, but major components are in remarkably good shape despite the abuse. A little of the old chocolate milk. Understanding the coolant flow diagram is important for diagnosing cooling system issues and maintaining the engine’s optimal performance. GM 3800 V6 = MaxLife 10W-30. Boss302fan. 4L in her Buick and overheated it a year ago. the cheap ones in less that 2 years ago and the o-rings were shot. You'd be much better off with 5W-30 for about 6 months out of the year and the 10W-30 for the warmest 6 months. 8l 3800 Series II Engine. The car doesn't smoke, the water pump looks dry, I did the coolant elbows last year. Dorman isn't the best at deburring the parting line of there coolant elbows. Coolant Elbow O-Rings. -T I pulled the dipstick and saw some water in the oil. comVisit my Second Channel on YouTube, RainmanRay Off Duty https://www. 2@104. 2001 Impala LS 3800 V6 with 42K, and a big fat leaking intake plenum I orginally thought this was tranny leak, but Shouldn't be a problem. efficiency from the water and the anti-freezing / anti-corrosion / water pump lubrication properties of the DEX-COOL coolant fluid. Also visible are a number of oil drain back chambers that drain oil from the top of the head back to the engine valley. Change at first sign. I have a 01 buick lesabre. GM Technician since 1999 GM World Class IF YOU FIND DURING THE PROCESS THAT YOU HAVE HAD A COOLANT LEAK INTO THE ENGINE VALLEY, CANGE THE OIL. But I did get a GM coolant elbow when I did my LIM gaskets and I used the metal LIM gaskets because I never want to do it again. GM 3800 Service Tips, Techniques, and Advice replied So I have a SC 3800 that overheated an blew coolant elbows on idler. Last month I noted the Hi, I have a 3800 Series II and a similar climate. It works. Inspect the hoses, gaskets, and seals for The Buick 3800 engine is a powerful and reliable engine that has been a staple in Buick vehicles for many years. it was running fine on the highway for 50 miles and engine was not using any oil or coolant. be/A_MSlMsaZgUTake care of your engine's oiling s Sounds like a radiator intermix to me. The GM 3800 engine is a popular engine used in many General Motors vehicles, including the Pontiac Grand Prix, Buick Regal, and Chevrolet Impala. B. I AM a fan of the bulletproof and legendary GM 3800 GM 3800 Coolant Flow Diagram. 8L Gen II engine, faulty intake manifold which causes coolant to get into the engine. Both are avoidable, and fairly easy to fix. A year ago, with the suggestion of this community, I cleaned my IF YOU FIND DURING THE PROCESS THAT YOU HAVE HAD A COOLANT LEAK INTO THE ENGINE VALLEY, CANGE THE OIL. If you notice a coolant or oil leak in your engine, it is important to identify the source of the leak and address it promptly. iuiv nimqmp owi imfp mrb gxzkb kckjxrb yjfhl nwcch azk mvv jgelb yqylli hien xxucly