Why do I have to change my alternator twice a year?

Asked by Allych1ck Jun 02, 2018 at 05:11 PM about the 2001 Toyota 4Runner Limited 4WD

Question type: Shopping & Pricing

So, my 2001 toyota 4runner doesnt hold a alternator for
very long seems like twice a year I have to change it. Can
some one please tell me why is this happening??
Suddenly if im at a red light I can tell when my car just
slowly drops in power.

1 Answer
650

Bill answered 6 years ago

Do you replace the alternator with the original equipment from Toyota? Or do you buy rebuilt alternators which are generally less reliable. I had the same problem with a Buick Regal years ago using rebuilt alternators. Other than this, does a 2001Toyota 4Runner have a separate voltage regulator which could be the problem. But the voltage regulator probably is integral with the alternator.

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