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Finding an exhaust leak
TOK:
WD-40 might work (it does work for finding vacuum leaks), but you might need something just a bit more viscous for an exhaust leak. You'll see it bubble!
boykster:
I second the notion that if you're smelling it in the car, its probably close to if not the manifold. Anything under the car you would only smell at idle sitting at a stop sign, but if you smell it in motion, its definately forward of the passenger cabin.
:dunno
USSEnterprise:
makes sense. Looks like I am also going to need front struts and a knock sensor to pass inspection in May.
:angry: :cry: :angry:
Dustin Mustangs:
Sounds like it's a pretty major leak so you should be able to see signs of it. Look for black stains on anything close to the exhaust. I had a leaky exhaust manifold gasket on my Z28 (didn't smell up the cabin too bad, but the noise was driving me batty) and it left black soot all over the neihboring parts and the firewall right by where it was leaking. And like the others said, if you smell it inside the car it is likely happening under the hood. Start at the cylinder head and work your way downstream.
Oh, and certainly don't forget the most important step anytime your working on a car; have plenty of cold ones on hand!
:cheers:
Thenasty:
--- Quote from: Dustin Mustangs on March 11, 2007, 12:06:26 am ---have plenty of cold ones on hand!
:cheers:
--- End quote ---
oh yea, most important things. You be surprise also how much/many extra parts left over :P
Anyway, if its a LEAK it will drive you nuts. Maybe the smell you're smelling (hope its not me), it might be a small tiny droplings of gas. My minivan has this tiny droplings right on the gas tank. I think there was a rubber piece on there that crack, and it stunk like hell.
Finding a exhaust leak on WINTER TIME (COLD DAYS) is easy.
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