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weird noise

Discussion in 'General Chevy & GM Tech Questions' started by swoop, Nov 29, 2009.

  1. swoop

    swoop New Member

    My wife called me yesterday at work about her 2007 Denali. She started it and there was some weird sounds she says. Like a diesel truck. Now the only time I have heard this is on older trucks experiencing piston slap. She said there was a exhaust smell that was very strong. I was wondering what you guys thought of this??

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