exhaust leak - Maintenance and Repair Forum

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exhaust leak
Sunday, June 12, 2011 10:11 AM
what's everyones process to find an exhaust leak, with having the manifold, turbo wastegate all so close together whats thebest way for finding out what is leaking.

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Re: exhaust leak
Sunday, June 12, 2011 10:51 AM
get under the car ith a light and look for black streaks on the piping....next up would be to get under the car and have a buddy plug the exhaust a bit with a rag on his hand..sometimes it will make it louder.

Typically leaks happen at flanges, and on the tops of pipes since its hard to weld up there.

Hope that helps
Re: exhaust leak
Sunday, June 12, 2011 11:09 AM
hmmm leak just started last night so not liekly to be any black streaks. the leak is allready pretty loud. problem is i have 3-4 diffrent flanges all withing a foot of each other lol.

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Re: exhaust leak
Sunday, June 12, 2011 11:18 AM
If that's the case Id check flanges and any welded points. Being that your boosted you may have already collected black streaks but it sounds like something IE a weld broke.
Re: exhaust leak
Sunday, June 12, 2011 11:30 AM
not what i want to hear lol. esp since ive driven maybe 300 miles since i became boosted. and its never been driven hard. hope its not that.

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Re: exhaust leak
Sunday, June 12, 2011 12:44 PM
If its only that little then its prolly something small....like I said a good visual check and then do the rag test. Youll find it
Re: exhaust leak
Monday, June 13, 2011 1:40 PM
Ya thats the only real way to find a leak, go under the car and check the pipes to see if you can see cracks, or broken welds, or a bent part of the pipe. My downpipe would flex sometimes where only in reverse, because the engine rocked back, i would get an exhaust leak.
Re: exhaust leak
Monday, June 13, 2011 1:41 PM
oh also you can check to see if the flanges are all tight, retighten any bolts and see if that helps.
Re: exhaust leak
Monday, June 13, 2011 2:16 PM
yah best way imo is to have someone plug the exhaust pipe and feel around for the leak
Re: exhaust leak
Monday, June 13, 2011 2:41 PM
You could use some seafoam. lol





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