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Old 05-26-2011, 11:54 AM
Tully Tully is offline
Hummer Veteran
 
Join Date: Nov 2004
Location: Morristown, NJ
Posts: 228
Tully is off the scale
Default Re: Exhaust Gasket leak and stud broke

Quote:
Originally Posted by snmazer
sometimes, not always, when I start up my 03, I get a loud hissing sound from under the hood. Sometimes it lasts a half a second, sometimes 10 seconds. Happens in spring, summer, fall,...but never in winter!
Does this sound similiar to what you experienced with the broken header bolts? I cant pin point what the problem is.

Scott

No, it sounds more like a flapping (or ticking) sound when I accelerate, although does stop after driving the vehicle for a bit...which led me to believe it was a belt or something? (which obviously i was wrong)
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