Failed alternator can cause "no charge" condition on GMC S15

The alternator may fail, causing a "no charge" condition. An internal bearing may also fail and cause an abnormal noise. If the vehicle is driven too long with a failed bearing, the alternator may stop turning, which can cause the serpentine belt to break or the engine to stall and not turn over.

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Average mileage: (–)
Engine affected: 4.3L V6
1 model year affected: 1990
1 person reported this problem
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