What is this gasket for? - JeepForum.com
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post #1 of 5 Old 10-19-2013, 06:05 PM Thread Starter
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What is this gasket for?

I have a 1 piece rubber oil-pan gasket. I just bought this timing cover gasket set... What this one for? Does it go on the bottom? Do I sandwich it on top of the pan gasket? Do I cut the front section of the pan gasket out and replace with this piece... I'm VERY skeptical about doing something like that.

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post #2 of 5 Old 10-19-2013, 06:36 PM
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when replacing a 4.0L oil pan gasket from the original some came as the older 4 piece setup and then converted to 1 piece design as we know today, the extra front 1 piece was a replacement as many techs would see it to leak and as a PRECAUTION, cut and replace just the FRONT piece, so they would not have to go back in later to replace the whole thing....I would not worry about it, if you do not have an issue from there to begin with. Hopefully, this gets you going....
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post #3 of 5 Old 10-20-2013, 06:26 AM
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^^It does appear to be the front portion for oilpan under the timing cover.

I'd install the timing cover, then the 1 piece oilpan gasket.

I read a lot of guys having leaks after replacing the oilpan.. I always use some semi-permanent Hi-Tack adhesive to adhere the oilpan gasket to block using the pan bolts, let it sit overnight and then pull bolts and install pan. This usually prevents the front or rear "dip" from moving and causing a leak.
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post #4 of 5 Old 10-20-2013, 07:01 AM
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It is the timing cover to oil pan seal. It's used when the timing cover is removed (without removing the oil pan) on an engine with the 4-piece oil pan gasket.

If you have the 1-piece oil pan gasket, you don't need it.

Personally I don't pull the timing cover without pulling the oil pan, and I always use the 1-piece oil pan gasket.


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post #5 of 5 Old 10-20-2013, 12:06 PM Thread Starter
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Originally Posted by OverlandZJ View Post
semi-permanent Hi-Tack adhesive
What brand to you use? I was going to put Permatex 518 on both sides of the pan gasket... I cleaned t up with brake clean.
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