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1999 Pontiac Bonneville Noise

Tiny
BJSCHAN
  • MEMBER
  • 1999 PONTIAC BONNEVILLE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 262,000 MILES
When I press on the brakes I can hear a low rumbling sound from the back, it sounds like an airplane passing overhead. There is also a low whirring sound. Is it the brakes or tires or U-joint or steering or what?
Tuesday, December 9th, 2008 AT 5:09 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi:
If it only happens when the brakes are applied, it sounds like the brake are metal to metal and need replaced. If you have driven like this for an extended period of time you may need to replace the rear drums (or rotrors if you have 4 wheel disc).

Let me know if you have any other questions.
Joe
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Sunday, December 14th, 2008 AT 12:01 PM

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