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Old 12-11-2011, 03:32 PM   #1
hammonds's Avatar
Join Date: Jul 2011
Location: San Antonio
Posts: 56
Seized Hub Assembly

I am trying to replace my hub bearing assembly on my 94 YJ and the old hub assembly is stuck in there very well. I have tried literally everything to get it out and nothing works. I have decided to replace the axle shaft, U-joint, and knuckle while im at it. Is there any way to take off the knuckle with the axle shaft and hub still in place. I doubt there is, but I am desperate.

Merlin 94 YJ 4.0
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Old 12-11-2011, 04:18 PM   #2
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Location: Denver
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You try a puller and slide hammer? I had trouble getting mine off, half a can of pb blaster, a lot of cursing, and an hour long self appointed "time out" it came loose. I feel if I had used a slide hammer and/or claw puller, would have been a breeze.

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Old 12-11-2011, 04:50 PM   #3
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Agree slide hammer is the way to do it.
93 YJ I6 5spd
My YJ Build +1.5 inch SOA ,37 12.50 15R Swamper M16's, 5.22:1/2.97:1 Stak Tcase with 92 Crawl Ratio--------SOLD...
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Old 12-11-2011, 05:18 PM   #4
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Location: The center of Kansas
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I've always had good luck with the press method. You use a socket and extension and place it on the bolt you backed out of the hub and then on the inner C. Then go crank the wheel using the steering to press your hub out.

I hope I made that understandable.
1992 Jeep YJ 4.0/AW4/ATLAS
60's on 40s
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Old 12-11-2011, 06:50 PM   #5
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Location: Sampson County N.C.
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A slide hammer can be rented at most Vatozones or Advance, but if you have a large chisel with a sharp tip you can find the seam where they go together and use a big hammer and get it started. Keep moving the chisel to different spots until you get it to seperate. I have had to do this on several unit bearings. Good luck
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Old 12-11-2011, 08:48 PM   #6
Join Date: Feb 2011
Location: Michigan
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I've always used the socket extension method also. Worked on the last few jeeps I've owned.
1994 YJ. Lifted...33's...swapped 4.0/aw4
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Old 12-12-2011, 01:31 AM   #7
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I just went through this. I used a slide hammer, Pb Blaster, heat, and the socket extension. It took hours but it did come off
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Old 12-12-2011, 06:05 PM   #8
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Join Date: Jul 2011
Location: San Antonio
Posts: 56
Thanks for all the ideas. I tried all of them before I posted this and none of them worked lol. I happened to stumble across another idea on some forum after posting this. Instead of taking out the hub bolts completely, you leave them threaded just barely and hit the bolt head with a hammer to knock it out from behind. It took about 10 hits on each bolt, but it knocked it loose after all those hours of trying other methods. After learning that trick it only took me 3 hours to do the passenger side bearing, new rotor, new caliper and pads, and bleed the brakes on both sides.

Merlin 94 YJ 4.0
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