Exhaust Gasket Problem!!
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Joined: Oct 2007
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Exhaust Gasket Problem!!
I am going to replace my cat. with a directfit cat system and I went to the part stores around town and online trying to find a gasket. I have the donut that goes between the cat and muffler but shouldn't the other end have a gasket also? I am working on a 96 Explorer 4.0. Thanks for any help you can give..
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Joined: Oct 2007
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My book says that gaskets are not required between the y-pipe and the manifold. The manifolds should be shaped like a partial ball at the end and the flare of the pipe seals against it metal on metal. If you're doing this yourself, make sure you use a torch to heat the nuts to get them off or there's a real good chance you'll break the studs and the muffler shop will really stick it to you to fix that.
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Joined: Mar 2007
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From: Pa
Yeah, you shaould have a "ball and socket" setup to connect the manifolds and y-pipe. To prevent leaks you could use a light coating of Permatex Ultra Copper silicone on the "ball".
If you spray the bolts/nuts several times (Over a couple days) prior to removal they should come loose. Thats what I did before my headers were put on, everything came off fine.
If you spray the bolts/nuts several times (Over a couple days) prior to removal they should come loose. Thats what I did before my headers were put on, everything came off fine.
Last edited by dkf; Jan 20, 2008 at 03:00 PM.
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