Suburban 1500

Noise and/or Dead Battery Due to failed Alternator on GMC Suburban 1500

Problem Description and Possible Solution

The alternator may fail causing the battery to go dead. The charge light on the dash may or may not illuminate. The alternator may also develop an abnormal noise. A failed alternator will require replacement.

Problem Data
RepairPal Verified
Average mileage: 148,000 (140,000–156,000)
Engines affected: 5.7L V8, Gasoline
4 model years affected: 1996, 1997, 1998, 1999
6 people reported this problem
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Alternator went bad and was replaced. Second alternator went bad within 1 month. Erratic charging on the system. Possible short. Problem still not resolved.