should I cover valves while cleaning valve cover? -
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Unread 09-16-2013, 03:37 PM   #1
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1981 CJ7 
Join Date: Aug 2013
Location: Sonora, CA
Posts: 9
should I cover valves while cleaning valve cover?

I just bought a valver cover gasket, and when I took off the cover (of course it is made of plastic I found out) I was wondering if I should cover the valves while I clean all the crap around it. Any ideas what to use. Or not at all. Also should I buy a new valve cover to replace the original one. Is the old plastic cover fine enoght to use? I'm just using it for around town and camping. No rock climbing or anything. It is ony held on by two bolts on the top of the cover, (jeep saving money that year I guess) but I think it is threaded along the side of the block for a cover that will bolt down the side like everyone else in the world.... First time doing this so help is needed

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Unread 09-16-2013, 03:47 PM   #2
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1981 CJ7 
Join Date: May 2011
Location: Elbert, CO
Posts: 10,110
You don't want old gasket remnants floating around inside your head, so do whatever is necessary to prevent that.

The plastic factory valve covers are prone to leaking. That's why the vast majority of CJs that are still on the road have aftermarket aluminum covers that bolt around the perimeter.

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Unread 09-16-2013, 03:56 PM   #3
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1984 CJ7 
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Location: Northern Virginia
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x2. I cover any holes that would let gasket material drop down inside the engine. Used a razor blade to scrape off residue carefully and then wipe the sealing surface with something like acetone to clean the metal surface.
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Unread 09-16-2013, 04:02 PM   #4
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You could also use a shop vac while your scraping the old gasket off,
1957 WILLYS pickup, needs work.
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac trail Jeep.
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1983 CJ7 pretty weekend and sometimes to work Driver in the summer, My first rebuild, if the Q-trac and 5 are broke, this one is the one to take. its just as capable as the other 2, except nice paint.
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