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Humming noise in the rear of a Tahoe.

Tiny
ALONZO
  • MEMBER
  • CHEVROLET TAHOE
I have a 1999 tahoe v-8 with 133,000 miles it is making some humming noise as I drive and I was told that it had nothing to do with the rear diferential, my question is, could it possibly be my rear bearings that need to be changed?
thanks. :Wink:
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Wednesday, June 13th, 2007 AT 11:34 AM

2 Replies

Tiny
BOOTDOG
  • MECHANIC
  • 665 POSTS
More than likely the carrier bearings. Also I would look into the rear tires first, then the axle bearing to rule them out.
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Wednesday, June 13th, 2007 AT 6:12 PM
Tiny
GERALD S
  • MEMBER
  • 2 POSTS
Pinion bearing. Have your mechanic pick the truck up start the engine and put it in drive. With the rear wheels spinning if you hear the noise it will more then likely be the pinion bearing. Carrier bearings howl when you take your foot off the gas and more or less put a load on them. This is not something you should do in your driveway
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Monday, July 2nd, 2007 AT 8:15 PM

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