Question about 2001 Chevrolet Silverado 1500

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2001 silverado when accelerating truck almost sounds like has a exhaust leak but is not a exhaust leak any ideas

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  • Douglas Hansen
    Douglas Hansen May 11, 2010

    Does it have an air pump?

  • tim mcgrath May 11, 2010

    sounds like broken/cracked egr tube, chk tube from exhaust to intake for egr

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  • 212 Answers

You may have a crack in crossover pipe on driver side near exhaust manifold where it bolts to crossover pipe flexing from engine movement opens crack on acceleration, check for cracks on both sides driver and passenger.

Posted on Feb 04, 2010

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1 Answer

Sounds like air is shooting out when accelerating. Could this be an exhaust leak? Plugs, coils, hoses seem fine. Noise is coming from passenger side under engine sounds like.


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This may not be your problem, but recently we had chevy in with a ticking on acceleration that turned out to be a leak on the right hand exhaust manifold only slight but enough to make a noise when driven hard. we noticed a carbon mark around the second cylinder in. If it is a petrol engine have you checked the spark plugs are correctly torqued?

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