Serpentine Belt Tensioner Pulley May Wear Out on Chevrolet Lumina

The serpentine belt tensioner pulley may wear out. Our technicians tell us that in order to get a new pulley from General Motors you must purchase a complete belt tensioner assembly.


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Average mileage: 130,044 (55,134–175,000)
Engines affected: 3.1L V6, 3.8L V6
2 model years affected: 1996, 1998
5 people reported this problem
3 people shared problem details
1998 Chevrolet Lumina- 3.8L V655,134
tension pulley broke
1998 Chevrolet Lumina- 3.1L V6160,000
I replaced broken belt then the belt broke again after 2 months. I didn't notice anything at the time so I replaced it again. After about 15 minutes of driving, I could hear the belt shredding again. The tensioner was bouncing and needed to be replaced. Unfortunate thing is that when the belt broke, it tore into my CV boot, which also required replacement.
1998 Chevrolet Lumina- 3.8L V6175,000
Belt tensioner pulley failed. Broke the serpentine belt.
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