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how do u check for an exhaust leak?

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Old 02-15-2005, 01:02 AM
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Default how do u check for an exhaust leak?

i think i have an exhaust leak but can't figure out where it's coming from. any suggestion on how to check?
Old 02-15-2005, 01:11 AM
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Default Re: how do u check for an exhaust leak? (boosted ek)

put your car on jack stands(all 4) leave your car running and run your hand from one end of the piping without touching the pipes and locate the leak.
Old 02-15-2005, 01:25 AM
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usually you could hear it...
Old 02-15-2005, 01:45 AM
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Default Re: (gumbii)

just to make sure, exhaust leak with cause a rattle/stutter sound, right?
Old 02-15-2005, 02:00 AM
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not really... that could be that you have a loose heat shield, or a bolt/screw stuck... in there... or sometimes when your catalyst converter is really jacked up, it will sound like it has really course sand inside... it could be alot of things... a leak will sound like a leak...
Old 02-15-2005, 04:56 AM
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Default Re: how do u check for an exhaust leak? (boosted ek)

hold a lit cigarette, or in some cases a joint up to where you think it is leaking. If the direction of the smoke changes then you have a leak
Old 02-15-2005, 05:13 AM
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Default Re: how do u check for an exhaust leak? (boosted ek)

soapy water does the trick
Old 02-15-2005, 05:14 AM
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Default Re: how do u check for an exhaust leak? (remo)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by remo &raquo;</TD></TR><TR><TD CLASS="quote">soapy water does the trick</TD></TR></TABLE>

yes but not most practical. works good for tires though.
Old 02-15-2005, 05:17 AM
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Default Re: how do u check for an exhaust leak? (Jeterkm02)

it does leave dried crap on stuff . ..
Old 02-15-2005, 06:58 AM
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Default Re: how do u check for an exhaust leak? (remo)

put a frisby on the end of ur exhaust and air will escape from wherever the leak is
Old 02-15-2005, 10:28 AM
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Default Re: how do u check for an exhaust leak? (kurzsi)

i'm gonna try the cigarette trick.
Old 02-15-2005, 10:32 AM
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Default Re: how do u check for an exhaust leak? (kurzsi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kurzsi &raquo;</TD></TR><TR><TD CLASS="quote">put a frisby on the end of ur exhaust and air will escape from wherever the leak is</TD></TR></TABLE>

I advise against this. like wow. If your not careful thats asking for trouble.
Old 02-15-2005, 11:04 AM
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Default Re: how do u check for an exhaust leak? (Luserkid)

you probably dont have one at home, but we use a smoke machine with a rubber fitting on the outlet that fits inside the tail pipe.
Old 02-15-2005, 11:05 AM
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Default Re: how do u check for an exhaust leak? (96MidoriHatch)

muffler shop has this?
Old 02-15-2005, 11:46 AM
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Default Re: how do u check for an exhaust leak? (kurzsi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kurzsi &raquo;</TD></TR><TR><TD CLASS="quote">put a frisby on the end of ur exhaust and air will escape from wherever the leak is</TD></TR></TABLE>


hehe yeah this will work all of a few seconds untill the car stalls. why do you think people shove potatos into tale pipes to mess with people?
Old 02-15-2005, 11:51 AM
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Default Re: how do u check for an exhaust leak? (monicle)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by monicle &raquo;</TD></TR><TR><TD CLASS="quote">hehe yeah this will work all of a few seconds untill the car stalls. why do you think people shove potatos into tale pipes to mess with people?</TD></TR></TABLE>

to check for leaks?
Old 02-15-2005, 04:48 PM
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Default Re: how do u check for an exhaust leak? (Unjockable)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boosted ek &raquo;</TD></TR><TR><TD CLASS="quote">muffler shop has this?</TD></TR></TABLE>

i would think so, maybe the higher end ones, I'm not sure though.
Old 02-15-2005, 04:51 PM
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Default Re: (boosted ek)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boosted ek &raquo;</TD></TR><TR><TD CLASS="quote">just to make sure, exhaust leak with cause a rattle/stutter sound, right?</TD></TR></TABLE>

Sounds like you have a broken weld, just raise it up and inspect it starting from the header to the exhaust tip.
Old 02-16-2005, 01:55 PM
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Default Re: (VTiVTo8000rpm)

actually if u have an exhaust leak air getting out somewhere so obviously your car wouldn't shut off. THINK ABOUT IT
Old 02-16-2005, 01:58 PM
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Default Re: (kurzsi)

So the same amount of air will go easily out an opening less than the size of a penny just as easily as it will out your 2" exhaust pipe?
Old 02-16-2005, 02:01 PM
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Default Re: (kurzsi)

1) Get the car in the air. Or so that you can get under it. SAFELY
2) Cut/find a piece of vaccum hose.
3) Use it stethoscope style. One piece in ear other in hand.
4) locat area where you might think it could be coming from. Such as the areas where the exhasut bolts to gether.
5) just listen for wind/noise.

*EDIT - oh ya, this works even better when the car is running, put that in one of those s1teps.


Modified by zombie247 at 5:11 PM 2/16/2005
Old 02-16-2005, 02:04 PM
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bigger exhaust leaks will leave streaks of soot around the leak. piping on newer cars hardly every rusts through. check at the flanges/joints 1st
Old 02-16-2005, 02:08 PM
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Default Re: (kurzsi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by kurzsi &raquo;</TD></TR><TR><TD CLASS="quote">actually if u have an exhaust leak air getting out somewhere so obviously your car wouldn't shut off. THINK ABOUT IT</TD></TR></TABLE>

if the leak was big enough to allow the car to run when the end is plugged up it would be big enough to hear and see the huge gaping hole THINK ABOUT IT
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