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post #1 of (permalink) Old 10-14-2002, 04:28 PM
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Rattle in my Cat. Converter?

Hey Scuba back again to ask his newbie questions.
My 95 Wrangler (along with my wonderful sqeak) has a rattle and its without a doubt coming from my cat converter. I talked to a guy i work with who also drives a jeep (94 wrangler) and he said that when your jeep starts to get alot of miles that there will be some kind of build up in the cat and you have to take it off and dump out whatever that build up in there is called. (I forgot what he said gets stuck in there).

So my question is, does ne have experience with this vibration in their cat and how did they fix it?

95 wrangler (pending)
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post #2 of (permalink) Old 10-14-2002, 05:48 PM
 
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Re: Rattle in my Cat. Converter?

It's not build-up, it's it's the cat puking out its own guts (the catalyst). It tends to clog the cat, reducing HP significantly. Either replace (with hi-flow of course) or if you don't have to be concerned with emissions in your state, remove it.
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post #3 of (permalink) Old 10-15-2002, 09:08 PM
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Re: Rattle in my Cat. Converter?

It is probably the heat shield that is welded to the top of your cat. Pry on it and make sure the welds havent broken loose
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post #4 of (permalink) Old 10-15-2002, 09:11 PM
 
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Re: Rattle in my Cat. Converter?

I would definetly check the Heat shield first to make sure it's not rattling....wouldn't be much fun to spend money if you don't need to. Other than that, usually that kind of noise is precisely what LockedUp is talking about...the Cat is eating itself from the inside out so to speak, I know this happened on my old Ranger and when I replaced it I got a hell of alot more power out of it
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post #5 of (permalink) Old 10-20-2002, 07:54 PM
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Re: Rattle in my Cat. Converter?

Hey Scuba, it seems like we both have the same problems, I have the squeal and the rattle coming from the cat. I just recently replaced the cat (with a high flow) and there is no more rattle for me. I still have that damn annoying squeal that just wont go away.
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