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    Noise on driver side when hot

    I suffered with the noise all summer and then the other day I decided this is B.S. and crawled under the truck. I noticed that the clutch fan which is plastic was worn on the edges of the blades. I popped the hood and found that the plastic shroud mounted on the rad had a missing bolt, so what...
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    Noise on driver side when hot

    I notice there hasn't been a post on here in a while. Did you find out where the noise is coming from? I have a new body style 07 Sierra with about 25,000 miles on it and it just made the whining noise last week. I was towing up a steep long hill, the clutch fan had been running for a...