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Humming noise

Tiny
TEMARSHALL89
  • MEMBER
  • 2001 BUICK CENTURY
  • 195,000 MILES
2001 buick century makes a humming noise around 25+ mph, the noise pitch gets louder as you accelerate. Changed driver hub assembly yesterday front brakes and rotors but sounds still exists. Seems like its coming from passenger side. (Front) I noticed alot of grease behind passenger wheel but it does make any popping noises as I turn. What could be the problem? Could it still be a hub assembly even though I dont have play when I shake my tire up and down, or is it something else?
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Monday, September 23rd, 2013 AT 8:16 AM

7 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Yes the bearing can make noise even though there is no play. Most of the bearings I have replaced didn't have play but made a lot of noise while driving.

Here is a guide to help you see what you are in for when doing the job.

https://www.2carpros.com/articles/bearing-hub-replacement

Please let us know what you find.

Cheers
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Monday, September 23rd, 2013 AT 9:15 AM
Tiny
TEMARSHALL89
  • MEMBER
  • 5 POSTS
Can I tell by listening or feeling something?
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Monday, September 23rd, 2013 AT 5:46 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
With the car on a jack stand put it. In neutral and put one hand on the coil spring and use the other hand to spin the wheel as fast as you can. If the bearing is bad you should be able to feel the bad bearing in the coil spring.
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Monday, September 23rd, 2013 AT 5:53 PM
Tiny
TEMARSHALL89
  • MEMBER
  • 5 POSTS
Ok, would a wheel bearing cause grease to be everywhere behind the tire?
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Monday, September 23rd, 2013 AT 6:01 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
That or a CV boot loosing grease?
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Monday, September 23rd, 2013 AT 6:08 PM
Tiny
TEMARSHALL89
  • MEMBER
  • 5 POSTS
I didn't see any tears in the boot. But something odd happened today that I didn't notice. I was on a flat surface in park. I turn my wheel to the left and the rolled a little forward. Then I turned it to the right and it rolled back a little. So I replaced the bearing hub and that did the trick thanks for your help on this.
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Monday, September 23rd, 2013 AT 6:12 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Glad you could get it fixed, that kind of problem can be tough. Please use 2CarPros anytime we are here to help

Cheers
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Monday, September 23rd, 2013 AT 6:17 PM

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