Does an alternator whine

Asked by Sep 08, 2017 at 02:43 PM about the 2008 Buick Lucerne CXL FWD

Question type: Maintenance & Repair

My car started whining when i started it and as i accelerated it got louder. I quit
whining fornthe next 4 days and started again today. Shop said it was the
alternator. Does that make sense?

2 Answers

35

yes they can whine. Take it to autozone they can test it for free. you can also measure your cars voltage. with the car running you should see about 14 volts. If under that, alternator is bad.

1 people found this helpful.
120,715

Yes they do whine, when mine started whining I just did make it home before it quit operating totally, had to replace the alternator.

1 people found this helpful.

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