'99 Park Avenue - 3800 - Intake manifold failed.

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Originally Posted By: mrsilv04
Originally Posted By: Stu_Rock
warrior, that's kind of a trollish thing to say.


There's always one out there... Thankfully, they're usually easy to ignore.

I've had Hondas before, have two right now. They have their own issues and are far from perfect as well.

I knew that when I bought the car, that there would be an unavoidable $600 repair sometime in the future. Since the car had 44,000 miles on it when it was purchased, I strongly suspected that nothing had been done to it, to deal with the problem.



I knew I would take some heat when I posted. That's OK. I am not sure what you mean by there is always one. And, I am not a troll...although I do live under a bridge. I was trying to make an honest statement without getting off topic. Moreover, those that responded calling me a troll and other personal insults (don't worry, I actually have a great since of humor) missed the point I was trying to make. I am not a huge fan of Honda. I simply think it would be a great idea to ditch the GM 3800 and get something that has a better track record. In saying that, the 3800 could/can be a great engine, however GM has and will cut courners whenever it can. That is exactly why they are OOB! I had a 3800 with the Allunimum Nilon Strap Timing Gear that stripped out at +/- 50,000 miles and GM did not care. You guessed it. All the [censored] in the sump and BOOM! All cars have issues, none had as many as the 3800 that GM knew about and did nothing. I pushed the car farther than it ran. I will never, ever own another GM product (although I own part of it now!) and will spend the rest of my life encouraging others not to deal with them. See what I am talking about...way off topic...just trying to offer the "short version" with my former responce. Good luck with the 3800...I would get rid of it myself!! Thanks for the daggers-keep e'm coming...
 
Hi



Make sure you drain the oil pan immediately. Drain the cooling system including the block by pulling the lower radiator hose.

Now with fresh fill oil oil and filter....

Remove all the spark plugs and with the fuel pump unplugged from its source of current, crank the engine over to purge any coolant on top of the pistons. Remember...no spark plugs in when doing this!!


These L36, L26 N/A engines are often raced with good results. They are stout, efficient engines and take to forced induction quite well for anyone having access to a custom tune.

As for the LIMs. Yes, by all means, now is the time to pull the LIM and get a set of GM alu framed gaskets. Replace the plastic coolant elbows and use the APN UIM with the reduced diameter egr chimney to finish the repair.

My APN has about 100k on it now with no apparent issues although I will swap it out in the spring for a new one as I an not sure about the chances for future warpage around the TB mount.
 
There's always a lemon.

Fix this, and the engine should be good for years. Or until the rest of the car rusts out...
 
Other than this one easily corrected issue on the 3800 Gen II it is one of the best engines ever built by GM.This engine is as durable as anything built by Honda or anyone else for that matter.
It may not be the most powerful or high tech engine but is a solid very durable engine.
 
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