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post #1 of (permalink) Old 05-28-2003, 09:03 AM
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Replacing Head Gasket

This is on my XJ, I'm replacing the head gasket on the 4.0 liter and had a few questions. Haven't gotten any responses yet on JeepsUnlimited so I thought I would try here...

Got all the parts I think I need, except for the gas line quick-connects.

Problem is that the engine has been sitting for several days and has a light coating of rust on it. Most of it came off yesterday when I cleaned the old gasket off the head. How should I get the rest off?

It's a light surface rust, and is most noticable where the old gasket failed.

Also I've read conflicting information on whether to use any type of gasket sealer on the head gasket. I have the permatex copper spray stuff but aren't sure whether to use it or not.

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post #2 of (permalink) Old 05-28-2003, 11:32 AM
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Re: Replacing Head Gasket

Did ya get a factory replacement gasket? I've seen some problems with the aftermarket ones. Just make sure to use a scotch brite pad on a 90 degree die-grinder head to remove all traces of surface rust.It'll be fine after that. As for copper spray gasket, if the head gasket is composite, don't use any. The multi-layer steel gaskets are the only ones that need the spray sealant.
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post #3 of (permalink) Old 05-28-2003, 02:18 PM
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Re: Replacing Head Gasket

Thanks for the reply, don't remember what I got. Think it's a felpro gasket.
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