Chevrolet S10 Problem Report

Chevrolet S10 Serpentine Belt Tensioner May Fail

(20 reports)

The serpentine belt tensioner can fail; it may become noisy and/or the belt may jump off. Replacement of the failed tensioner will be necessary.

tensioure pulley broke. took to shop for repair. -
had to replace this twice on a 1996 Chevy Blazer with the 4.3 engine within 5 years and about 30K miles. -
The pulley frozen rusted in place. -
it started sqeaking Then the belt jumped off and the entire tensioner departed -
Idler bearing making loud squeeking noise. I will need to replace it as well as serpentine belt. -
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