exhaust leak where exhaust meets cat - JeepForum.com
 
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post #1 of 4 Old 05-04-2010, 06:56 PM Thread Starter
psyklone
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1992 YJ Wrangler 
 
Join Date: Mar 2003
Location: Austin
Posts: 14
exhaust leak where exhaust meets cat

hey fellas,

'92 yj, 4.0

i've got an exhaust leak that i've tracked down to, i'm pretty sure, where the exhaust comes down into the cat. tomorrow i'm going to drop that big shield that's in the way so that i can get to it but i have a question before i get up underneath it. is that a flanged connection, or is there a gasket in there? for that matter, from what i can tell i'm going to need to drop the tailpipe/muffler, and then the cat so i'm wondering if any of these are gasket connections or if they're just flange or clamp style.

thanks!

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post #2 of 4 Old 05-04-2010, 07:46 PM
Mark05059
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1989 YJ Wrangler 
 
Join Date: Mar 2009
Location: quechee Vermont
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Be sure to support the transfer case/transmission when you drop the big shield thing since that is holding them up. There is a gasket inbetween the bolted sections of the exhaust.

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
/l , [____],
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post #3 of 4 Old 05-04-2010, 10:20 PM Thread Starter
psyklone
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1992 YJ Wrangler 
 
Join Date: Mar 2003
Location: Austin
Posts: 14
thanks mark, that's what i was looking for.
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post #4 of 4 Old 05-04-2010, 10:43 PM
warthog312
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1994 YJ Wrangler 
 
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i know its kind of ghetto, but i have used seafoam to pinpoint exhaust leaks in the past. dump it in, let it sit, then look for the white smoke pouring out of where it's not supposed to be! it helps when you are doing your own welding. that being said, i wouldnt do it more then every once in a blue moon, when all other options are exhausted.
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