Humming sound coming from engine

Asked by Guru991BTV Oct 11, 2020 at 07:15 AM about the 2000 Mercury Grand Marquis GS

Question type: Maintenance & Repair

There is a humming sound coming from my engine when I
put the car in drive, I have to rev the engine to make the
sound stop. What part do I have to replace. Also there is oil
leaking from my alternator on to the belt. Should I replace
alternator.  Thanks

1 Answer
670

Alex answered 4 years ago

Theres no oil in a alternator, its coming from somewhere else on the engine.

Mark helpful

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