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Old 03-18-2011, 05:18 PM   #4
motornut
78K & 79C Jimmys
 
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Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
Re: have an oil leak...valve cover

yes just the bolts and may need some slight prying(baked gasket)
but they usally come loose from where they are leaking first
more or less straight up and out
yes the covers warp(a lot of ppl don't know to fix this when they are out)
warped heads = anti freeze is found some where it shouldn't be (like the tail pipe lol)
just a bucket and scrape or brush the gunk off
i imagine a brake cleaner spray would do it too
varsol or gas,slight rub of fine sand paper (covers)will help clean the seal
can't think of the name of it but i use a silicone to hold it on the cover
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1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350
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