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rear axle bearing

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Offline ajholt7

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rear axle bearing
« on: October 20, 2005, 05:06:51 PM »
Does anyone know an easy way to remove a rear axle bearing in a sami?
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Offline Mikerpm4x4

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Re: rear axle bearing
« Reply #1 on: October 20, 2005, 05:13:59 PM »
Ive done it on the trail with a hammer and a rock. WEAR SOME SAFETY GLASSES! If you bust the outer race off all the bearings will fall out and then you can hit the inner race till it busts.

Another method is to cut the inner and outer race with a side grinder. If you scuff the axle a little it wont hurt it as long as the part where the seal rides is not dammaged.

The best way is to use a press but most of the time the retainer will get dammaged.

Mike
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mudfkr

Re: rear axle bearing
« Reply #2 on: October 20, 2005, 05:15:49 PM »
Grind it down until it's just a thin segment left, do it to two sides then carefuly hit it off with a copper face hammer or the likes.

HTH Mudfkr
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mudfkr

Re: rear axle bearing
« Reply #3 on: October 20, 2005, 05:17:03 PM »
Nearly forgot till I seen Mikes reply...

"WEAR SOME SAFETY GLASSES!"   ;D
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Offline crikeymike

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Re: rear axle bearing
« Reply #4 on: October 20, 2005, 09:05:23 PM »
You may as well just do it properly (and i consider it easy), by just doing it in a press.  You've got to press one on there anyway.  Yeah, you could bash the crap out of it till it comes off, but how you gunna get it in without damaging the bearing, race, or the housing. 

Put the hammer down...  use a tool that was designed for it's purpose.
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Offline zutefisk

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Re: rear axle bearing
« Reply #5 on: October 20, 2005, 10:06:14 PM »
take it to a machine shop
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mudfkr

Re: rear axle bearing
« Reply #6 on: October 20, 2005, 10:12:22 PM »
He never asked how to put it on just take it off  ;D



Pick that grinder up again  ;)
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Offline Rhinoman

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Re: rear axle bearing
« Reply #7 on: October 21, 2005, 03:51:52 PM »
Quote from: mudfkr on October 20, 2005, 10:12:22 PM
He never asked how to put it on just take it off  ;D



Pick that grinder up again  ;)



Loll, it always sounds so easy yet when I do it I have to grind it right the way down to the shaft cos it just won't break when I hit it. Do I need a bigger hammer?
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Offline crikeymike

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Re: rear axle bearing
« Reply #8 on: October 21, 2005, 04:21:54 PM »
Yeah, a bigger hammer, or perhaps a press.
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1993 4-door Sidekick
3" hybrid Calmini/OME lift, 2" B/L, Rear air locker
Shrockworks bar & sliders, Full skid plates
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mudfkr

Re: rear axle bearing
« Reply #9 on: October 21, 2005, 06:15:10 PM »
Quote from: crikeymike on October 21, 2005, 04:21:54 PM
Yeah, a bigger hammer, or perhaps a press.

I have a 20t air over hydraulic press in my garage and I still use the grinder to remove them as the FSM says. I PERSONALY find it quicker and easyer to grind them off, YOU may find the press the way to do it but I doubt ajholt7  has one and may not have access to one as easliy as you or I do so I gave him an alternative. Also there are alternative ways to get the a bearing back on - not the way the FSM states to do it but if you don't have the tools you can improvise and do it.

Like Mike said at the start it all about what you've got on hand.
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Offline mverley

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Re: rear axle bearing
« Reply #10 on: October 21, 2005, 06:36:28 PM »
Quote from: crikeymike on October 20, 2005, 09:05:23 PM
You may as well just do it properly (and i consider it easy), by just doing it in a press.  You've got to press one on there anyway.  Yeah, you could bash the crap out of it till it comes off, but how you gunna get it in without damaging the bearing, race, or the housing. 

Put the hammer down...  use a tool that was designed for it's purpose.

I have replaced many of these (at least 10 of them).  The first few I tried to remove in a press (40T air/hydraulic).  It is darn near impossible to get them off with the press.  I never did get them off that way; ended up grinding every single one.  I just use an air cutoff tool, get a good kerf in the inner race and the bearing retainer, and then break them with a chisel.  Takes about 5 minutes per side...
Maybe somebody has been able to get them off with a press...but not me. 
Just my .02
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