How can you tell if you have a hole in your exhaust? - JeepForum.com

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post #1 of 22 Old 11-09-2008, 04:15 PM Thread Starter
YUNGHOLDER
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How can you tell if you have a hole in your exhaust?

I can smell exhaust while im sitting in my jeep i think i have a hole in my exhaust but don't know how to tell

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post #2 of 22 Old 11-09-2008, 04:17 PM
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Check for soot stains..
Wait till it cools and look around at all the areas that have a connection or a hanger is welded to it also check the manifold to head bolts/gaskets for leaks.. exc..

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post #3 of 22 Old 11-09-2008, 04:17 PM
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Is it loud like there might be an exhaust leak? That would be a dead give away.

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post #4 of 22 Old 11-09-2008, 04:17 PM
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After everything has completely cooled off have a friend hold his hand over the exhaust pipe plugging the end. Start the Jeep and poke your head underneath an exhaust leak will let you know where it is.
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post #5 of 22 Old 11-09-2008, 05:32 PM
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Look where the hangers are welded on. I had a exhaust pipe break away from the Transfer Case Guard hanger and ripped a hole in my pipe. I could tell from the sound of the jeep that something was wrong.

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post #6 of 22 Old 11-09-2008, 05:47 PM
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When they do our state inspections in Virginia they always hold a rag over the tailpipe while the engine is running....if you have a leak you can hear it pretty well, otherwise the engine will start to lug since it can't breathe.

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post #7 of 22 Old 11-09-2008, 05:49 PM
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i have a hole in mine and its loud as all get up
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post #8 of 22 Old 11-09-2008, 06:21 PM
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If you look under there and there is a hole, then you've got a hole in your exhaust

or, put your hand over the tail pipe, if you can hold your hand over it then you've got a leak, if you can't hold it there then you DONT have a hole

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post #9 of 22 Old 11-09-2008, 06:23 PM Thread Starter
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wow thanks for that
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post #10 of 22 Old 11-09-2008, 06:27 PM
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Do you think the hole is in the manifold or from the cat back?

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post #11 of 22 Old 11-09-2008, 06:30 PM Thread Starter
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i think it's the catback but i'm not to sure
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post #12 of 22 Old 11-09-2008, 06:34 PM
provinT13
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Well then go do the exhaust test. You can put a glove on, but if there is a hole you will be able to hold your hand there.

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post #13 of 22 Old 11-09-2008, 06:46 PM
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If it is in the manifold (or in the down tube flange) then you will not mistake it for any other place.

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post #14 of 22 Old 11-09-2008, 06:46 PM Thread Starter
YUNGHOLDER
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I'll have to do it tomorrow it's pitch black outside
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post #15 of 22 Old 11-09-2008, 10:49 PM
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A large potato works well.

Just jam it on the end of the exhaust pipe. Start your jeep. If it shoots more than 20 feet, you have no leaks.

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