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Considering a 3800 Jump to Latest Follow 1K views 7 replies 4 participants last post by WilliamE May 24, 2017Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Crypto2006 GP base No more wet frame rail. No drips. No leaks around the repair areas as well as coolant temp sensor or T-stat. Still smelling hot coolant and the coolant in the reservoir is slowly dropping. Oil shows no sign of coolant and vice-versa. Any ideas?? Thanks.Gospel in the 3800 community is running a cheap dino oil for 10-15 minutes after you button it up if you do spill any antifreeze. Also, it's practically gospel to drain your oil and leave the drain plug out with a drain pan underneath when you're doing LIM gasket work. Reason being that if any antifreeze gets into the lifter valley you can ...This video shows the steps I did to replace the upper intake manifold (air plenum) on my 2001 Monte Carlo SS 3.8L 3800 Series II engine. The replacement was...M. msm500 Discussion starter. 119 posts · Joined 2006. #1 · Feb 21, 2007. Well looks like it is time to replace the intake gaskets on my series II 3800. The UIM is leaking coolant and I know the LIM gasket was leaking oil due to a clogged cat. So I figure it is time to replace both. What other goodies do you guys recomment besides the gasket ...Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. CryptoLIM gasket? Jump to Latest Follow 717 views 3 replies 2 participants last post by BillBoost37 May 7, 2009. B. billberry12 Discussion starter 5 posts ...Hi have an na l36 and im planning on replacing upper and lower intake gaskets. I have the metal LIM gaskets also. Do i need to lube or seal the lower or upper gasket surfaces with anything at all? Also the bolts that hold down the lower intake manifold, do i need to put any loctite on them? How about the plenum bolts any loctite?Well I looked again, and not to be combative, and yes they do look different, but for both 1998 and 2004 GP GT 3800 non supercharged models the ATP plastic replacement plenum is the exact same part. Just funny. What do I know. ... With the intake off the car for LIM gasket replacement, I drilled the holes out slightly and tapped them for the ...I have a video recorded of someone changing it step by step, but they don't include all the gaskets and stuff you'll need. LIM Gasket 2x Coolant Elbows Supercharger Gasket (?) I know you need the tube of stuff for the LIM gasket too, whatever it's called. Anything else? Should I get Felpro gaskets, or should I grab the LIM gasket on ZZP?Quick tutorial, basics of how to remove and replace the intake manifold gasket for the upper plenum, and the plenum itself. Grand Prix, Monte Carlo, Impala, ...don't do it on a GT, all it will do is pool in the lower intake, on my n/a 3800 i used the sea foam that comes in a fogger can, and the car will try to die, but you have to hold the rpms up so this isn't allowed, they are a turd to start with sea foam in the cylinders/intake ... Why I believe everyone should replace they nylon LIM gaskets: http ...The head gasket is a piece of plastic that forms a seal between a vehicle’s engine and head. It prevents coolant and oil from mixing as it enters the engine. If you notice signs of...#1 · Feb 21, 2007. Well looks like it is time to replace the intake gaskets on my series II 3800. The UIM is leaking coolant and I know the LIM gasket was leaking oil due to a …Joined: Thu May 22, 2008 11:14 pm Posts: 3351 Location: Racine, Wisconsin Year and Trim: 97.2 40th SLE 68 w/400 94 SSEiHad just completed replacing my UIM and LIM gaskets along with installing a new water pump, tensioner pulley and coolant elbows on our '04 Grand Prix GT with 104K miles. ... This guy sounds like he either A) hasn't worked on enough 3800's, which indicates limited overall experience based on sheer volume in the last 30yrs, or B) just defaults to ...You may be better suited visiting a 3800 forum for more detailed instructions. You should replace the LIM gaskets at the same time. It is a 100% chance that they have some type of external or internal leakeage even if its very minor. Trav. Joined Nov 20, 2006 Messages 31,311 Location#1. I'm getting ready for an UIM & LIM gasket replacement on my 1999 3800 SII. I am going to be acquiring the GM aluminum framed gasket pair @ $65 (dealer), but …Have a 2000 firebird 3.8L.. having some trouble finding this info. For the aluminum LIM gaskets I believe it is either 89017816 or 89017825. I checked a 2000 Bonneville and it lists 89017816 as the non-supercharged and 89017825 for the supercharged motor. Neither one is listed under fbody for...Hey everyone, I'm new here as one might guess ;) As with probably many "just registered" users, I have a question as I'm in the middle of doing the LIM gasket job on a 1997 Firebird with a RWD 3800 S2. I have done these on FWD cars and it wasn't nearly as difficult to remove the actual LIM. On...GM 3800 Service Tips, Techniques, and Advice. ·. October 29, 2015 ·. Naturally Aspirated 3800 Series 2 Transverse mount engines. Changing the Lower Intake Manifold (LIM) gaskets and Upper Intake Manifold (UIM) This is a post for advanced DIYers for C- G-, H- and W-body cars. Do your own research.Nov 28, 2011 · When you take out the bolts, clean the threads with a thread chaser (could be a nut with the same thread but with a slot cut through the side). Then use a little thread locker. I did this for the first time on my wife's 3800 and it's still fine. Not even a coolant elbow leak, but I could be lucky on that one.

Intake manifold gaskets still fail, but not as common. The F-body 3800 has an aluminum intake manifold, (no composite upper) therefore disregard anything you hear about the dorman or ATP greyworks manifold, and stove pipes. symptoms are subtle at first, missing coolant with no apparent leaks, maybe some extra moisture and/or buildup under the ...108 posts · Joined 2015. #1 · Jan 22, 2015. Hi, I bought my first car...a 2000 Impala LS for $800 last week. Body is very good (minor damage, working on this week). However, the engine is not so good. Head gaskets leak and the upper intake manifold had exploded. I've done small car repairs (radios, speakers, window regulators, EGR valve, etc ...You may be better suited visiting a 3800 forum for more detailed instructions. You should replace the LIM gaskets at the same time. It is a 100% chance that they have some type of external or internal leakeage even if its very minor. Trav. Joined Nov 20, 2006 Messages 31,311 LocationGM 3800 Service Tips, Techniques, and Advice. ·. July 4, 2016 ·. Quick Note: Finding Intake Vacuum Leaks, Check List: Signs of a vacuum leak are: rough idle, misfires, high idle RPM, long term fuel trim above 8 (it should be between -5 and +5 at warmed up idle), DTC code P0171. Depending upon where the leak is it will either cause a rough ...

GM 3800 Service Tips, Techniques, and Advice. The most common failures of the 3800 engine are spark plugs, wires, MAF sensors, ignition coils, plastic intake manifolds (NA engines only), and lower intake manifold (LIM) gaskets. This post discusses the causes and symptoms of a LIM failure. It will serve as a background to an upcoming post that ...I have a stock 3800 L67, Installing a new UIM and LIM gaskets. This car is going to be with my son for a couple of years, I won't have daily access to it to keep track of fluid levels. ... Heck, I spent ~5yrs around the Twin Cities in the 3800 peak years, and even dated a girl from Mahtomedi/Grant for a couple years while helping build many if ...Replaced upper intake assy and upper/lower intake manifold gaskets. Coolant in oil at that time. ... I assumed this was crossover leakage from the bad LIM gasket. 2 questions: ... A forum community dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series engine. Come join the discussion about performance ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Quick Note: Signs you have a bad LIM gasket In order of likely . Possible cause: 1xARP Head Studs for the 3800. Option 1:standard 6 point nuts. Option 2:a.