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Old 04-11-2007, 03:47 PM   #1
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wheel bearing help

my wheel bearings on my 91' are shot. i've never had a 4wd vehicle and neither has my dad but we are both pretty mechanically inclined. i need to know pretty much everything. but i do have a few specific questions. and i do have a haynes manual.
1) i'm also going to replace the ball joints while i'm in there, is there anything else i should go on and replace while i'm doing this?
2) how long am i lookin at to do this?
3) any specific tools that i need?
4) parts? should i go to the dealer and get parts, advance/autozone, online dealer, any help here is appreciated.
also, i'm not looking for the absolute best, strongest, and overly engineered parts available. i just need good quality parts at a decent price (i cant afford the best but dont wanna put jo-leg stuff on) so what brand should i look for (model #'s, anything will help) ballpark price on parts would help too
5) any other advice, hints, warning, or common problems with this replacement you can give me is greatly appreciated

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Old 04-11-2007, 05:35 PM   #2
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Changing hub bearings on a D30 is easy. After getting the brakes off there's really only 4 items to remove before you are completely out.

The axle nut is 36mm and you will want to have a pretty good sized breaker bar to help you with that one. Then all you have left is the three bolts on the back side of the bearing holding it on the knuckle and everything will slide right out.

Personally I just picked up a set of bearings off of Ebay for about 70 bucks a piece. They've been fine for me for about a year now. Otherwise they will run ya about 100 a piece in the auto parts stores.

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Old 04-11-2007, 05:40 PM   #3
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the bearings on the 30 are a unit assembly correct? do i buy the whole unti of just certain pieces?
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Old 04-11-2007, 06:17 PM   #4
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Quote:
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the bearings on the 30 are a unit assembly correct? do i buy the whole unti of just certain pieces?
Yes you are correct. Just buy the whole thing.
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Old 04-11-2007, 07:28 PM   #5
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so no special tool to pull the old one off or install the new? what about a special tool for the ball joints and u joints?
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Old 04-11-2007, 09:49 PM   #6
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bump, i need to know asap bout special tools
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Old 04-11-2007, 10:12 PM   #7
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You should probably replace the axle u-joints while you have it out, its easy, and inexpensive.

Mike
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Old 04-11-2007, 10:13 PM   #8
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You can pick up a ball joint/ ujoint press at harbor freight for about 30 bucks.

Mike
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Old 04-11-2007, 10:14 PM   #9
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yea, i'm gonna get them and the ball joints. but do i need a special tool to pull or re-install any of these? aslo some1 told me somethin about a seal at the other end of the axle shaft near the diff that needs to be replaced when i replace the hub
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Old 04-11-2007, 10:50 PM   #10
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yea, i'm gonna get them and the ball joints. but do i need a special tool to pull or re-install any of these? aslo some1 told me somethin about a seal at the other end of the axle shaft near the diff that needs to be replaced when i replace the hub
Well I'm not trying to sound lazy about the inner axle seals, but IMO if your axle isn't leaking then don't worry about changing it. You have to pull the carrier to get to them and it's kind of a pain in the ass.
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Old 04-11-2007, 10:53 PM   #11
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I do not know if it would need to be replaced, alot of guys just pull the axle, and not replace those seals, but you do have to be careful when removing the axle shaft, make sure you hold it up so as not to drag on that seal, or it will damage it, then you will need to replace it, I am not sure about your year, but my bearings need to be pressed in, so mine would have to be taken to a shop for that, unless you have a bearing press.

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Old 04-12-2007, 07:59 PM   #12
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bearings dont have to be pressed. it comes as a whole hub assembly. a buddy of my dads said he has a tool to pull the seal from the end of the axle and can push the new one in from the axle end also, so no need to pull the carrier

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