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Old 07-03-2024, 03:16 AM #1
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Anyone replaced all the exhaust flange gaskets and hardware?
I know I've got at least one small exhaust leak at one of the flange donut gaskets. If I'm gonna do one I might as well do all of them and of course replace all the bolts. It seems like there's four? Two at the cats, and two or maybe just one after that in the back?

Just wondering if someone's done it and knows all the part numbers.

Not planning to do the exhaust manifold gasket. Only 70k on the truck and no indication of it leaking.
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Old 07-03-2024, 08:42 AM #2
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How much rust do you have on those flanges/hardware? For me that would determine my approach.
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Old 07-04-2024, 02:45 AM #3
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Quote:
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How much rust do you have on those flanges/hardware? For me that would determine my approach.
definitely some rust, but looks doable. I want to replace all the bolts/hardware anyway so I can cut stuff off if I need to.
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Old 07-04-2024, 06:53 AM #4
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when i replaced my exhaust, the flange donut gaskets came off easy near the cats w/ a rattle gun and wd40.

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Old 07-05-2024, 10:41 AM #5
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As long as the rust in not too bad, and you have enough structure left to seal and secure, you should be good. That said, exhaust work always is a pain.
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Old 07-26-2024, 11:02 PM #6
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Just curious how many gaskets did you change?
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Aluminum Weld 15's and 31x10.5 BFG ATs
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