Annoying humming

Asked by Charlie Jan 14, 2020 at 07:15 PM about the 1997 Buick Riviera Supercharged Coupe FWD

Question type: Maintenance & Repair

There is a humming sound coming from the
front of my 97 Buick Riviera. It sounds like
an airplane taking off. It happens only when
driving,  I can't figure out what it could be.
  Any ideas? Please help.

1 Answer
2,275

Alvin answered 4 years ago

Greetings, my question is, do you hear this annoying sound when the vehicle is idling or is when you are moving? First, I would suggest having someone to accelerate the engine and listen for some unusual sounds. My guess is the fan/blades are damaged causing the blades to flex more,which would cause a humming sound. Good Luck SEMPER FI

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