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whining noise

  1. Transmission & Rearend
    I have a 2001 4.3 S-10, and a few weeks ago on a longer trip the rear end started making whining noises when under power and going over 25 mph. The noise went away when coasting. It is not related to engine RPM, just increases in pitch with speed. I took the truck to a mechanic on the road and...
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