Battery over charging

2001 TOYOTA COROLLA

192,667 MILES

TONI CLAASSEN

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There's a whistling sound coming from the engine block and tapid cover. Battery is running dry weekly.

Dec 11, 2019 at 11:55 PM

STRAILER

CERTIFIED EXPERT
53,870 POSTS

Yep, it sounds like the alternator voltage regulator is not working. here is a guide to help confirm the issue with step by step on how to change it in the diagrams below:

https://www.2carpros.com/articles/how-to-check-a-car-alternator

Check out the diagrams (below). Please let us know what happens.

Images (Click to enlarge)

Feb 22, 2020 at 12:09 PM