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Noise and/or Dead Battery Due to failed Alternator on Chevrolet Express 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: 146,191 (129,765–168,000)
Engines affected: 4.3L V6, 5.0L V8, 5.7L V8, Gasoline
8 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2004
11 people reported this problem
Viewing 1 - 3 of 3 comments
My Battery keeps dying. Something is draining the power. I have replaced the ignition switch and the problem persists.

I have also tried to trouble shoot the problem by removing the Fuse to select components. Still I have a dead battery. I have replaced the battery several times, I must disconnect the battery when I am not driving the van. I get use my Van on rare occasion.
I was seven hours away from home,$500 repair, it was done in four hours.
Alternator checks good at the auto store but Volt meter on dash reads less than 14amps and when checking alternator on car with a handheld volt meter jumps from 11.7 to 14.5amps