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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-10-2005, 01:56 PM   #1
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Default valve cover leak

I've got some leaking coming from my valve covers. I was wondering how difficult is this job? I would like to do it myself but I haven't been able to find much info on the site. Anyone know of a good thread or link it would be greatly appreciated.
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Old 05-10-2005, 02:04 PM   #2
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It should be pretty straight forward. Undo the 4-6 bolts holding them on, clean the covers and head where the gaskets sit very well, reinstall to torque spec...probably in techinfo. Back will be a little more fun but not impossible.
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Old 05-10-2005, 02:12 PM   #3
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Thanks Bill, sounds pretty straight forward, the back was what I was concerned about. Looks like I will have to undo some things to get to it, hopefully nothing major. By the way could this be the possible source of my P0106 code. I 've had it for awhile but car runs fine.
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Old 05-10-2005, 02:21 PM   #4
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I was going to replace my valve cover gaskets on my L36.... But there were a few things in the way on the rear cover... I called it quits... Just a seep on my car.... But when I finally do everything else I will get those covers done...

Looks like the Alternator and a couple of brackets have to be moved...

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Old 05-10-2005, 02:27 PM   #5
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Quote:
Originally Posted by jr's3800
I was going to replace my valve cover gaskets on my L36.... But there were a few things in the way on the rear cover... I called it quits... Just a seep on my car.... But when I finally do everything else I will get those covers done...

Looks like the Alternator and a couple of brackets have to be moved...
Don, you are right. I did them on my 99 last year. It wasn't too tough to get them taken care of. The alternator does have to come off, along with the support bracket from the LIM. Also, I removed the horizontal strut tower brace for ease of access. It doesn't take more than an hour to do the rear cover.
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Old 05-10-2005, 03:05 PM   #6
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Ok sounds like a saturday project. Will I need to use any sealant and about how much are those gaskets? Are there any other things I should check or do while I got things apart? Thanks for the help guys.
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Old 05-10-2005, 03:08 PM   #7
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Quote:
Originally Posted by n2lght
Ok sounds like a saturday project. Will I need to use any sealant and about how much are those gaskets? Are there any other things I should check or do while I got things apart? Thanks for the help guys.
Don't use any sealant. Make sure everything is very CLEAN and bone dry! I bought Felpros and they were under $20 for the front and back gasket set. There'* really nothing else to check when you have stuff apart.
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Old 05-10-2005, 06:54 PM   #8
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Quote:
Originally Posted by n2lght
Ok sounds like a saturday project. Will I need to use any sealant and about how much are those gaskets? Are there any other things I should check or do while I got things apart? Thanks for the help guys.
Don't use any sealant. Make sure everything is very CLEAN and bone dry! I bought Felpros and they were under $20 for the front and back gasket set. There'* really nothing else to check when you have stuff apart.
Exactly like the man said... Install dry.... No sealant at all...

I have had Fel-Pro'* on my 91 for almost 4 years now, still dry..

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