XJ XJ8 / XJR ( X308 ) 1997 - 2003

Alternative Valve Cover Gasket

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Old 11-30-2014, 04:13 PM
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Default Alternative Valve Cover Gasket

I'd like to find a more robust and less leak prone valve cover gasket for my Jag.

Is there something like a FelPro gasket available? Felpro's site says no.

I replaced one and its leaking. I may have over torqued it or a section may have slipped out to in. Regardless I'm leaking oil from the gasket and I'd like to fix it once and for all.

Thanks

Eric
 
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Old 11-30-2014, 06:01 PM
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If you do not replace the (14?) isolators, the gasket and spark plug well seals will not have as much 'crush' applied and will probably leak soon after gasket renewal.

The 'isolators' are made of a rubber type material and will deform over time. They provide the pressure to the cam cover needed to seal.

You could just use metal washers/spacers IF you are REALLY careful to not overtorque and crack the plastic cam cover.

I just use new ones and go on with my life.

bob gauff
 
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Old 11-30-2014, 06:29 PM
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I used the isololators that came in the cover gasket kit.

Still leaky

No better than OEM replacements?

Thanks

Eric
 
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Old 11-30-2014, 07:09 PM
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Unless you are referring to gaskets for you sunbeam, no one knows for sure what engine is leaking.
 
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Old 11-30-2014, 07:16 PM
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From my original post:
"I'd like to find a more robust and less leak prone valve cover gasket for my Jag"

My Alpine leaks nothing.

Thanks

Eric
 
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Old 11-30-2014, 07:19 PM
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I wasn't trying to be funny. What year Jag? There is a significant difference in the gaskets for the AJ26 vs. AJ27 engine.
 
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Old 11-30-2014, 09:47 PM
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Eric - are you looking for a FelPro set compatible for your jag, or saying you installed a FelPro and not satisfied? I actually replaced all mine with a FelPro set and been leak free since. I did respect torque wrench settings though. Got the set at Advanced Auto Parts for roughly $60. If interested, I can send you part number. Was listed for Lincoln LS.

Cheers
 
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Old 12-01-2014, 01:59 AM
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My car is a 2000. And no the gasket I installed was OEM not a FelPro.

It was like a big black rubber band and a bunch of o rings.

It leaks like crazy. Like I said I may have folded a corner or it may have squeezed out.

Please send me the FelPro part number if you have it.

Thanks

Eric
 
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Old 12-01-2014, 03:56 AM
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The Advance AP part number is VS 50724 R. That is for a '02 Lincoln LS and is a FelPro complete set. Using a promo code the price is $48.29 on line. Best deal around.
 
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Old 12-01-2014, 12:17 PM
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You beat me at it ;-) Here's a pic if it helps
 
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Old 12-01-2014, 03:36 PM
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The gasket the Jag dealer installed a year ago was leaking at the lower rear corner. Took the cover off, cleaned the head mating surface very carefully and smoothed it down with 400 grit, put it back together with a dash of Permatex black silicone sealant at the two points where the castings are joined. No more leak.

Moral of the story : the gasket is only as good as the surface it is applied to.
 
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