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Unread 11-25-2013, 11:38 AM   #1
Jimidude87
Registered User
1988 YJ Wrangler 
 
Join Date: Aug 2011
Location: spring hill, florida
Posts: 90
Small Oil Leak

Hey guys. I have an 88 wrangler with a 4.2 and a 5 speed manual transmission. I just rebuilt my jeep and got it on the road. I put a new crank kit in it and all new gaskets. When I started it up I noticed after getting hot it was smoking a bit. I chalked it up to runoff fluid on the hot motor and on the exhaust.

After driving it home yesterday I opened up the hood and took a peak and noticed there is some fresh oil that appears to be coming out of where the valve cover meets the head. Also, there is a little bit of oil coming from the gasket of the oil pan. When I say a little bit I mean its not visibly dripping, it is just enough to give the appearance that there is oil there. My question is, how much, if any, oil should leak after rebuilding and putting all new gaskets in the motor? I know you are supposed to break it in and take it easy on the motor for the first little bit but was not sure if it was normal to see a little oil seeping out. Other than that she is running perfect.

Thanks for all of your help.

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Unread 11-25-2013, 11:44 AM   #2
Old4X
Registered User
1990 CJ7 
 
Join Date: Nov 2008
Location: Ga
Posts: 5,081
Neither gasket should leak.

Over torquing the bolts is the main cause, followed by poor surface prep.

I just use RTV on the valve cover after good prep of head and valve cover. Many like to use "Gorilla Snot" and glue the gasket to the cover, then just a thin skim of RTV when torquing it down. The guys that use the one piece oil pan gaskets really like them, I use the standard 4 piece set with RTV in the corners. It doesn't look bone dry, but doesn't drip either.
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