Car Problem Reports

GMC Vandura 2500 Alternator May Fail and Cause Noise and Dead Battery

GMC Vandura 2500 Problem
10 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995

Engines Affected: 4.3L V6, 5.7L V8

Average Mileage: 244,000 mi (99,000 mi - 372,000 mi)


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.

  • Visitor, , 4.3L V6, 99,000 mi

    Just stopped in a pouring rain. AAA towed it to our garage, they replaced the alternator and installed a new battery.

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  • Visitor, , 5.7L V8, 330,000 mi

    keeps eating alternators and tension pulley brackets. notsure what else to do ..Has been super reliable up to now.

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