GX - 1st Gen (2004-2009) Discussion topics related to the 2003 -2009 GX470 models

Valve Cover Gasket Replacement

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Old 01-11-15, 08:55 PM
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nbeihl
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Default Valve Cover Gasket Replacement

Has anyone done a valve cover gasket on this car? Both of mine are leaking a little bit (185,000 mi) and I can smell the oil burning when it drips onto the exhaust manifold. I was going to give it a shot and I was wondering if there were some instructions anywhere.
Old 01-14-15, 09:43 AM
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cdew002
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Originally Posted by nbeihl
Has anyone done a valve cover gasket on this car? Both of mine are leaking a little bit (185,000 mi) and I can smell the oil burning when it drips onto the exhaust manifold. I was going to give it a shot and I was wondering if there were some instructions anywhere.
I had the same issue - 195k miles. It looks fairly straightforward, but time consuming.

I say "had" because I actually tightened the valve cover bolts and the leak stopped. May want to give that a shot first. A lot of mine were loose to the point that I could tighten it more with my fingers...
Old 01-14-15, 09:52 AM
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470SNC
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Common issue, just tighten down all the bolts and should stop the leak
Old 01-19-15, 09:21 PM
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nbeihl
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You guys were right, every one of my valve cover bolts were not even hand tight. I tightened them up. I'll bet that works! Thanks for the info!!!
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