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2010 Silverado ..Anyone hear engine noise at low RPM?

Discussion in 'GM Powertrain' started by alkaspeltzar, Mar 17, 2011.

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  1. alkaspeltzar

    alkaspeltzar Member

    I have a 2010 Silverado with 5.3l, 6 speed tranny, 18,000 miles.

    I have noticed when this truck is traveling at 40-60 mph, and it drops into the its 5th and 6th gear, I can slightly hear exhaust or lugging noise through the cab near the drivers side floor board.

    I assume I am hear this due to the low rpm in those gears, since it is usually around 1000-1200RPM. Is this just a slight lugging noise? Or is this something worse like an exhaust leak?

    If anyone has a simliar truck or has noticed this themselves, I would appreicate knowing.

    Thanks in advance

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