I have a ticking noise comin from my exhaust when its cold.. ihave read on here that its had to do with a crack in the exhaust manifold gasket(I THINK) i have had it to two gm dealerships and they say its a normal sound... WTF . it was not there when i bought the car.. any suggestions??

Thanks brandon

 

Could it be some broken baffles in the rear muffler ? It's current on that car.

 

umm nott o sure.. it only happen's when it is cold once it heats up its gone.. i have the gmpp exhaust so?? i am not sure.. but its drivin me nuts

 

if you have the GMPP exhaust it will be warrantied since its a GM part

 

thats why i went with it .. but they tell me its normal operating noises.. i call bs on that.. just take it somewhere else to get it fixed??

 

Maybe the exhaust has a slight leak. Ask them to put it onto the hoist and check.

 

i had this to,i just replaced the gasket after the cat and the noise was drastically reduced.

 

So how about some more info, like where do you hear the noise front back middle? Does it happen when its cold out or when the car is cold? Do you hear it more after you've been driving or idling like in traffic? You said it didn't do this when you bought the car, so did you have the gmpp cat back then or did you buy that later?

My exhaust makes a ticking sound when its cold out or if I have been driving for a while and its completely normal. The stock exhaust ticked very slightly and the corsa I have now ticks louder. Its the metal expanding and contracting for the heat and cold.

As for the dealer, you can call or write the regional rep if you aren't satisfied.

 

ive never had a ticking noise, not with my stock nor with my gmpp sport..sounds, does the ticking get louder when you accelerate? sounds like an exhaust leak, somtimes they are hard to pinpoint until they get worse. also could be a faulty cylnder valve.

 

I used to have to search for exhaust leaks all the time.

I would look for carbon buildup first. If I didn't see any, I would run my hand over the exhaust from front to back, trying not to burn myself of course. Even a tiny leak will puff a little. You'll feel it.

If it only happens when cold, it certainly sounds like what he fellow above suggested. A bad gasket.

Getting dealers to troubleshoot a sound without any other symptoms is a tall order. I hope it's an exhaust leak. If it's not, my suggestion is to drive it hard until it breaks. Then, they'll know for sure what to fix.

 

Exhuast leak.