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1999 Pontiac Montana Help I have a humming when I drive it

Tiny
JENNHOPKINS
  • MEMBER
  • 1999 PONTIAC MONTANA
Noises problem
1999 Pontiac Montana 6 cyl All Wheel Drive Automatic

I have a loud humming noise when I drive it and its not from the motor. Also whatever is causing it is making the traction control light come on and the anitlock brake light come on every once in a while when I hit a bump. I thought it was wheel bearings but someone told me that it has ball joints
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Tuesday, December 9th, 2008 AT 9:53 AM

1 Reply

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
I would suspect your wheel bearing. Your wheel bearing has a sensor for the ABS and traction control. Ball joint is located really close by, but has nothing to do with the humming.

This is your ball joint


https://www.2carpros.com/forum/automotive_pictures/55316_fa21744_2.jpg



and this is your hub/wheel bearing


https://www.2carpros.com/forum/automotive_pictures/55316_513187_fro_1.jpg

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Thursday, December 18th, 2008 AT 8:04 PM

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