need help with axle bearings- 9bolt
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Supreme Member
iTrader: (3)
Joined: May 2005
Posts: 1,942
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From: Southern IL
Car: 88 GTA "Cocaine"
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.27
need help with axle bearings- 9bolt
I just put a 9 bolt in my bird and I wanted to replace my axle seals because it looks like they are leaking
while I am at it I would like to replace the axle bearings but I heard that they are press on
I also do not know how to unbolt the axles so I would appreciate any advise on this
which bearings should I use?
while I am at it I would like to replace the axle bearings but I heard that they are press on
I also do not know how to unbolt the axles so I would appreciate any advise on this
which bearings should I use?
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iTrader: (1)
Joined: Feb 2005
Posts: 661
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From: Bonham TX
Car: 87 & 89 Iroc's
Engine: 5.0 - 5.7
Transmission: 700R's
Axle/Gears: 2.77 - 3.70
Yes they are pressed on. Once you remove the caliper and rotor you should see how to unbolt them. Timken #SET-9
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iTrader: (3)
Joined: Jul 1999
Posts: 816
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From: Mechanicsburg, PA
Car: '89 Formula 350
Engine: 5.7L L98 TPI
Transmission: 700-R4 Automatic
Axle/Gears: 7.5 disc posi 3.23
The axles are bolted in from the outside behind the rotor. You undo the four bolts and the axles pop out. The bearings are pressed on and they must be pressed off to replace the seal. good luck finding seals. Make sure they match the old ones before you press the bearings back on. Don't forget to press on the retainer ring or you may have a problem if the bearing gets too hot. I hope you never need parts for that rear. You will be HARD pressed to find any replacement anything.
Let me know if you need a spare set of axles for your nine. I have a pair and an extra cover laying around.
Let me know if you need a spare set of axles for your nine. I have a pair and an extra cover laying around.
Junior Member
Joined: Mar 2006
Posts: 7
Likes: 0
From: central,NJ
Car: 1986 trans am
Engine: 350
Transmission: 700R4
Axle/Gears: 373 9 bolt
I just put a 9 bolt in my bird and I wanted to replace my axle seals because it looks like they are leaking
while I am at it I would like to replace the axle bearings but I heard that they are press on
I also do not know how to unbolt the axles so I would appreciate any advise on this
which bearings should I use?
while I am at it I would like to replace the axle bearings but I heard that they are press on
I also do not know how to unbolt the axles so I would appreciate any advise on this
which bearings should I use?

TIMKEN SEAL # 224255 FOR LEFT SIDE
TRY ADVANCE AUTO OR AUTO ZONE
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