Have a 99 5.3 and i have an exhaust leek that is driving me crazy
i dont hear it at a stand still only with a load. It is most loud going up a
the highway with the A/C on. Where would it be most likely to leek from
guys the head or the collector. Is there any way i can check it, i cant stand noises and this one sucks.
get under your truck and look for any spots that are turning a dark black. your problem will most likely be at the manifolds or where the Y pipe connects to the intermediate pipe.
old mod list: H/C/I/N/E/G 408
new mod list: 5.3, gears/posi, mufler and tune : (
I had a leak at my y-pipe connection and it bugged the hell out of me too. But a couple twists of the old socket wrench and I was in good shape.
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2000 Chevy Silverado 4.8L RCSB: smoked UPD, Flowmaster exhaust, De-screened MAF, Nelson 93 hot tune. Upcoming installs: trans-go shift kit, Eaton posi, billet servo, ported and polished throttle body...Near future: 6.0/4L80E install with 150 wet shot
Me too but I had to go buy a new gasket for the y-pipe to manifold on the driver side to seal it up.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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