Question about 2006 Chevrolet Trailblazer
It is the idler pulley. Change it before it seizes and snaps the serpentine belt. It should be a relatively inexpensive repair.
Posted on Oct 10, 2008
I had the same problem. We are getting ready to change the idler pulley. It's only about $18.00. The noise is caused when the bearing on the pulley wears out.
Posted on Sep 27, 2008
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Posted on Jan 02, 2017
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