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Chevrolet
1500 Pickup
25

Noise and/or Dead Battery Due to failed Alternator on Chevrolet 1500 Pickup

Problem Description and Possible Solution

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

Problem Data
RepairPal Verified
Average mileage: 126,669 (58,500–236,000)
Engines affected: 4.3L V6, 5.0L V8, 5.7L V8, Gasoline
10 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999
25 people reported this problem
Comments
Viewing 1 - 7 of 7 comments
I had a terrible noise when I first started my truck, then it seemed to fade away. Came back again within a drive or two. Dropped it off for other service and they told me it needed a rebuilt alternator, since the bearings were gone in mine. In my mind, a vehicle of this age is bound to have things like this come up. I feel like I have an excellent service garage taking care of my vehicles now, so, I'm just reporting, not complaining. My battery is fine! Dec 12, 2014
I'm on #4.The first one was still under warranty,the next 3 out of my pocket.The front bearings seem to be the problem.All 3 have had the front bearings go bad.
If I remember correctly,the first time was at 220,000 miles and then I had new brushes put in the alternator. That lasted maybe 50,000 and it went down again. Then I swapped the original alternator for a new delco at Autozone with warranty.I think this was the last time I replaced it and now I have over 250,000 miles on this alternator and still working good.