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Rear axle bearing replacement

Tiny
SHERIFF31
  • MEMBER
  • 2006 GMC YUKON
  • 5.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 230,000 MILES
I am replacing the rear axle bearings and seals (out side by brake assembly not in the differential). I replaced them about 1,000 miles ago and the new ones failed. Inside the bearing housing is a plastic sleeve and some type of seal that allows the differential oil to lubricate the bearing. What is that part called and how can it be replaced? I am not finding anything regarding this online. Thanks
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Wednesday, March 28th, 2018 AT 9:23 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

Are the bearings pressed into the differential or pressed on the axle?

Roy
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Wednesday, March 28th, 2018 AT 9:59 AM
Tiny
SHERIFF31
  • MEMBER
  • 2 POSTS
They are pressed (actually they are set with a set tool and hammer) into the housing(differential)the axle is a separate piece that comes out before I can even remove the oil seal.
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Wednesday, March 28th, 2018 AT 11:24 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, thanks

If they failed again, I would look hard at the axle where the bearing rides. They wear a lot and you end up with up and down play even after the new bearing and seal are installed.

Roy
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Wednesday, March 28th, 2018 AT 11:29 AM

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