I own a 99 silverado 2500 4x4 auto extended cab. Under accelleration I experiance a dry raspy noise that sounds horrible. I.ve had the motor checked by mechanics. Replaced exhaust mainifolds, help?
truck only has 123000 miles, well maintained, no accidents this noise started lightly but now is a real nuisance, Truck looks great sounds like crap. Thought it might be speedo cable but it's digital. like i said only during acceleration? Help
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