My car is making a humming sound. What could it be?

Asked by Sep 13, 2007 at 07:14 PM about the 2001 Chevrolet Impala Base

Question type: Maintenance & Repair

when i drive the car it starts a humming sound that goes away once i stop. however, while stopping it almost sounds like a loud vibrating noise.

3 Answers

44,965

Sounds to me like a wheel bearing or brake rotor warped, which is causing the pads to contact it when driving, but when stopping to make a vibrating noise as the pads try to stop an out-of-round rotor.

1 of 1 people found this helpful.

could be a wheel bearing or tire noise.

1 of 1 people found this helpful.

im having the same problem with my tundra... im starting to think, since i drive on gravel a lot lately, it could be my rotor...Or a rock got into my brake pad. etc just have the tire taken off and look at the brake components.

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