Serpentine Belt Tensioner May Fail on Chevrolet S10

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.

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Average mileage: 110,444 (67,000–170,000)
Engines affected: 2.2L 4 Cylinder, 4.3L V6
9 model years affected: 1995, 1996, 1997, 1998, more1999, 2000, 2001, 2002, 2003
27 people reported this problem
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problem details
2002 Chevrolet S10 - 2.2L 4 Cylinder 92,000 mi,
tensioure pulley broke. took to shop for repair.
2000 Chevrolet S10 - 2.2L 4 Cylinder
I have a 2000 2.2 s10 and I need to replace my belt tensioner pulley because it's been making noises for the past two weeks. The more you press on the gas pedal, the more noise it makes. Anyways, I finally knew what the problem was couple of days ago. This week I'll replace it and buy a new one.
2000 Chevrolet S10 - 2.2L 4 Cylinder 115,099 mi,
Tensioner will not stay still always oscillating
Belt came right out but put back and it's running on its on edge ready to come right off
1996 Chevrolet S10 - 4.3L V6 138,000 mi,
had to replace this twice on a 1996 Chevy Blazer with the 4.3 engine within 5 years and about 30K miles.
2003 Chevrolet S10 - 4.3L V6 104,000 mi,
Windshield wipers won't stop moving, replaced the circuit board and it works fine now
I had to replace 3 in 4 months, any out there know how to give this a permanent fix .
1995 Chevrolet S10 - 4.3L V6 75,000 mi,
The pulley frozen rusted in place.
1999 Chevrolet S10 - 2.2L 4 Cylinder 120,000 mi,
it started sqeaking Then the belt jumped off and the entire tensioner departed
1996 Chevrolet S10 - 4.3L V6 96,678 mi,
Idler bearing making loud squeeking noise. I will need to replace it as well as serpentine belt.