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Unread 11-13-2013, 05:36 PM   #1
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03 valve cover gasket

Looks like I have as leaky passenger side valve cover gasket. Mechanic friend said its a rubber gasket shouldn't be bad just tighten the bolts. Since its rubber what causes it to fail? Can I just tighten the bolts?

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Unread 11-13-2013, 06:19 PM   #2
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Its a common problem, just buy new gaskets its not too hard of a fix. If you tighten the bolts down uneven you could damage the valve cover or if you tighten them too much you could break them off.
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Unread 11-13-2013, 06:24 PM   #3
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Bolts will only tighten so much, only true way is to replace. Its not bad maybe 30 minutes to get your tools out/swap it and clean up
04 Liberty, Kilimanjaro Edition, Rock Lizard RockRails/Roof Rack/Front-Rear bumper,32 inch Goodyear Duratracs,Moabs,4.10s/ 4.25 inch JBA Coilover lift /other goodies
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Unread 11-15-2013, 07:06 AM   #4
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Originally Posted by tommudd View Post
Bolts will only tighten so much, only true way is to replace. Its not bad maybe 30 minutes to get your tools out/swap it and clean up
What Tom said. There are spacers that prevent the bolts from being tightened past a certain point - if you try to tighten them down past that you're likely to break them. So you'd be compounding your problems.

Passenger side is the harder of the two sides to repair since the heater lines run over top of the valve cover, but once those and the coolant reservoir are out of the way it goes very quickly.

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- 3.7L, 42RLE, 4.10's, 4X Guard Trans skid, Factory Engine, T-case, Tank skids, Modded BoulderBars sliders, OME 927/948, Bilsteins, JBA A-Arms & 1/4" top plate, 1 extra rear iso/side, Moabs with Firestone Destination AT's 255/70-16
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