Valve cover gasket? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 05-19-2003, 08:21 PM   #1
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Default Valve cover gasket?

Should I buy the actual gasket or just lay down some red sealant/gasket maker?
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Old 05-19-2003, 08:36 PM   #2
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Just buy the gasket man, it cant cost too much anyhow....im not sure how good sealing it with sealant would be, but if it were me id pay for the gasket.
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Old 05-19-2003, 09:13 PM   #3
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The gasket will take less time to replace & will be cheaper in the long run as compared to you cleaning the entire suface area & de-greasing it too, then spreading on the silicone evenly, wiping up the excess after the cover is installed, & then replacing it again in a couple of weeks to a month, when you find out you missed a spot during the cleaning or spreading of the silicone!
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Old 05-19-2003, 11:19 PM   #4
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This is one application that I recomend the gasket becuase you prolly will be taking this off frequently? and you dont want to have to clean it up every time you do so.
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Old 05-20-2003, 12:31 AM   #5
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Thanks guys, I was leaning towards the gasket and a little sealant also, (puttin a little sealant on the cover itself so the gasket sticks to it and doesnt move around). The gasket costs 9 bucks at autozone for both front and back.

I reckon its not hard to get the rear valve cover off, couple bolts and supports? Anything I should look out for?
Oh and how much torque do I apply? I guess its pretty light, just enough to seal everything down?

Thanks again
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Old 05-20-2003, 01:46 AM   #6
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So theres nothing I should really have to watch out for when removing all the mounts and bolts around it?

What should I torque it to and what is the tightning order, if any?
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Old 05-20-2003, 10:57 AM   #7
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Just tighten it down one turn after it is sealed and make sure its snug. Also you have nothing really to look for other then the obvious when takeing the back valve cover off.
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Old 05-21-2003, 12:34 AM   #8
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Are you certain your leak is coming from the valve cover gasket? A few years ago I was unfamiliar with that 3800 gasket. The first time I saw oil on the block I assumed it was the valve cover gasket. It was not. It was the intake manifold gasket at the driver'* side rear corner.

Those valve cover gaskets are pretty trick and do not leak early in life. The design is excellent compared to other GM'*.
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Old 05-21-2003, 01:29 AM   #9
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They had the front valve cover gasket replaced before I purchased the car, but I havent thought much about it today but I will clean it up real nice around the edge of the intake manifold and rear valve cover gasket and see what the deal is.

Also, how hard is it to replace the intake manifold gasket? Its probably extremely simple on a NA but hey doesnt hurt to ask.
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Old 05-21-2003, 01:36 AM   #10
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Quote:
Originally Posted by Kuhl
They had the front valve cover gasket replaced before I purchased the car, but I havent thought much about it today but I will clean it up real nice around the edge of the intake manifold and rear valve cover gasket and see what the deal is.

Also, how hard is it to replace the intake manifold gasket? Its probably extremely simple on a NA but hey doesnt hurt to ask.
Here'* the Parts you'll need!
http://www.bonnevilleattitude.com/fo...69be797abb9c9f
Here'* the Instructions for the 92, your 93 should be almost the exact same, except add the EGR Valve removal in.
http://www.bonnevilleattitude.com/fo...69be797abb9c9f
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