Noise and/or Dead Battery Due to failed Alternator on GMC Vandura 2500

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.

RepairPal Verified
Average mileage: 244,000 (99,000–372,000)
Engines affected: 4.3L V6, 5.7L V8
7 model years affected: 1990, 1990, 1991, 1992, more1993, 1994, 1995
11 people reported this problem
2 people shared problem details
1992 GMC Vandura 2500- 4.3L V699,000
Just stopped in a pouring rain. AAA towed it to our garage, they replaced the alternator and installed a new battery.
1992 GMC Vandura 2500- 5.7L V8330,000
keeps eating alternators and tension pulley brackets. notsure what else to do ..Has been super reliable up to now.
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