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colorado back end noise

Old October 13th, 2012, 7:42 AM
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My 2012 Colorado Z71 4x4 with the 5.3 makes a noise sounding like it's in the left rear as if a rock was thrown at the side of the bed. It only does this after starting it and driving a few hundred feet. It makes the noise once and that's it until you shut the truck off and start driving again. It's does this everytime I drive it. Can sound like a rock coming out of the tire and hitting the wheel well. Have no idea what it is. I have not asked the dealership yet.
Old October 13th, 2012, 10:17 AM
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at least its under warranty. post the final fix.
Old October 16th, 2012, 2:07 PM
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z71black2012,
Keep us posted on what you hear from the dealership, and we're available to follow up on your appointment if need be.

Sarah (Assisting Louis), Chevrolet Customer Service
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