Valve cover gaskets...
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Postmaster
Joined: Oct 2005
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From: Clarksburg WV
Valve cover gaskets...
How involved of a job is changing out valve cover gaskets on these engines?
Mine appear to be pissing oil like a drunk irishman and it's running all down the sides of the engine and dripping on the ground.
Mine appear to be pissing oil like a drunk irishman and it's running all down the sides of the engine and dripping on the ground.
Junior User
Joined: Dec 2007
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From: WA
You may want to check how tight they are before going through the trouble. In my headgasket tear down I found my to be less than hand tight! 
Mine had been leaking for some time and I wish I had checked long ago, might not have had to buy so much oil.
Mine had been leaking for some time and I wish I had checked long ago, might not have had to buy so much oil.
i ain't rite
Joined: Mar 2005
Posts: 65,481
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From: Marlboro Mental Hospital.
the gaskets on my 88 are shot. but i am waiting untill i pull the cab to put the new one on to do the VC gaskets. then i will not have the ac box in my way.
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Joined: May 2007
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Make sure it's not your turbo oil supply line leaking...just went through this same thing with our turbo '94. Thought valve cover gaskets were leaking (they were a little loose), but they weren't leaking. If it is the turbo oil line, you can't fix it by tightening it-replace the fittings at the ends. Mine was leaking @ the block end-I cut off the little flare on the end of the tube and used a push-in hose fitting instead (like the airlines on a big truck use).
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From: Virginia
On most engines I have messed with, it's not the bolts coming loose, it's the gasket shrinking making the bolts loose. A older gasket shouldn't do it very much, but a new gasket will need to be re-tightened after a couple of weeks, and then after a few months.
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Postmaster
Joined: Oct 2005
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From: Clarksburg WV
Nah the feed line isn't leaking. I have a -6 AN line on my truck. It looks like it seeps a little at the turbo end but it's not leaking enough for this.
The oil I have is running down from the valve covers, down the sides of the engine and dripping off the pan and such. Every now and then I can smell burned oil through the heater (I assume from it getting on the exhaust manifold when they get hot)
The oil I have is running down from the valve covers, down the sides of the engine and dripping off the pan and such. Every now and then I can smell burned oil through the heater (I assume from it getting on the exhaust manifold when they get hot)