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2014 exhaust mid joint issue!

Jeff Beaupre

By Jeff Beaupre
in Troubleshooting & Recalls

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Jeff Beaupre New Member

Jeff Beaupre

Posted
Posted

So have an issue with my 14 sierra 1500. Started out with the exhaust valve behind the muffler squeaking every time I pressed the gas pedal. Brought to dealer and they heard it and replaced exhaust. No problem.

After I left dealer that day I noticed right away there was an exhaust leak. I could hear with windows open and closed, coming from under floor. So I checked it out an found the clamp leaking. Brought it back to dealer 2x an they took apart cleaned and reseated... Said it was fine. Still leaked..... FYI.. This was not an issue until exhaust was replaced!

Brought it back, Then they replaced clamp...still leaked. Brought back 2x more and they can't figure it out. Even had GM factory Rep look at it and he had no answer and won't even get back to my dealer...ridiculous"

So I investigated my self... On a cold start... Leaks obnoxiously, as it gets hot it quiets down. However Under Load it leaks like crazy. I figured this out with an IPAD and soap bubbles... And common sense! 5 GM Techs could not figure this out..

So Dealer calls me yesterday and says GM is working on redoing exhaust for the 2016 trucks and MAYBE this will be retrofitted and I have to wait....WTF this is ridiculous

I have videos but can't upload right now

Thoughts???

fondupot Senior Enthusiast

fondupot

Posted
Posted

Seems bogus. time for aftermarket exhaust. I put on a Corsa Catback and it clamped right up, no problems.

Jeff Beaupre New Member

Jeff Beaupre

Posted
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Posted

I had a Corsa on my 04 pro sport 1500. Did sound awesome! How much was your kit?

Really don't feel like spending $ on an exhaust right now. Even if I did replace it it would be from the same leaking connection back.

tnchevy Senior Enthusiast

tnchevy

Posted
Posted

I put on a dynomax VT and didn't like the sound so I put my stock exhaust back on which resulted in a slight air leak where the front (flexible part) joins into the pipe coming out of the 3rd cat. I re-positioned ans tightened it several times with no luck. I am hoping that the build up of soot will eventually close it off.

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