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How To: Replacing Rear Axle Wheel Bearings

Discussion in 'Transmissions & Transfer Cases' started by gavin, May 3, 2008.

^^Searches ExplorerForum.com^^





  1. manousos

    manousos Active Member

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    excellent, sounds like a pretty straightforward procedure. Shop quoted me $225CAD for parts & labor. Looks like I'll be tackling this one!

    Thanks for the write-up - I too found this link slightly discouraging
     
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  3. fuzzyyyy

    fuzzyyyy New Member

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  4. fuzzyyyy

    fuzzyyyy New Member

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    have 1997 ford explorer awd. previous owner removed front drive shaft. right cv joint went out. just want to remove half-shaft. removed wheel, brakes, brake assembly, rotor, then stuck like chuck. Any advice?
     
  5. gavin

    gavin Elite Explorer

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    you CANNOT, I repeat CANNOT drive around without a half-shaft!

    the hub-nut and CV hold the bearing together.

    driving without the shaft in can have VERY dire consequences (ie, bearing falling apart)

    at the very least; take the whole shaft apart, and place the outer part through the hub and tighten down the hub nut.


    disconnect the knuckle from the upper control arm, and you should get enough movement to push the stub through the bearing and knuckle.
     
  6. fuzzyyyy

    fuzzyyyy New Member

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    I'll do it but if I don't have an axle, do I need a bearing? Don't mean to be dense, but I'm lucky to get in a tire without messing something up and this is a first for me. I'm NOT mechanically competent. Thanks for the help & I'll take your advice.
     
  7. techieman33

    techieman33 Explorer Addict

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    Yeah you must have the bearing without a bearing there the tire would be trying to turn the whole truck over:roll:. If that bearing came apart, which it probably will before you can even get out of the drive way that entire side of the suspension would collapse and it would cost you several times the cost of a new cv axle to fix it.
     
  8. gavin

    gavin Elite Explorer

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    the tire mounts to the hub/bearing assy... soooo.... yes.
     
  9. fuzzyyyy

    fuzzyyyy New Member

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    Yeah, I'm trying to get half-shaft out, remove stub for the wheel from the shaft, and re-assemble but I'm having problems getting it off. going nuts, missed 4 days work, job on line.
     
  10. fuzzyyyy

    fuzzyyyy New Member

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    Help! Can't get axle out!

    I removed the nut, cylinder, and keeper. Should slide out. Comes out till the threads on end of shaft go into axle housing and stops there. Axle is damaged as I've just recently replaced axle bearing (left side) and it rattles up and down and leaks like a sieve. trying to remove axle for replacement and can't get it out! Any help would be appreciated. I deliver for a living and job is at stake
     
  11. fuzzyyyy

    fuzzyyyy New Member

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    Gavin - Can't get axle out of left rear. Tried axle puller and won't fit. don't want to break lug bolts. replaced axle bearing and seal 3 weeks ago and axle came out fine. Axle was ground a bit but I put the bearing and seal in and it held for a couple of days. I didn't know at the time that the previous owner used a axle saver bearing to reposition the bearing on the axle. Started leaking around seal so need try axle saver (I have one) or replace axle, both of which require removal of axle and IT WON'T COME OFF
     
  12. storlied

    storlied Well-Known Member

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    Hey Gavin. I've noticed that you have your parking brake completely removed. Did you ever replace any of that?
     
  13. gavin

    gavin Elite Explorer

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    you didn't forget the c-clip, right? haha. Honestly... nothing else I can think of that would prevent the axle shaft from coming out.

    not yet. I have the parts (and have had them for a couple years), but have yet to replace it. I plan on doing it shortly, as atleast 1 bearing needs replaced (again), thanks to an out of round 33" tire
     
  14. storlied

    storlied Well-Known Member

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    Round out tire??? I hope I don't break this bolt man... just my luck.. it'll happen...
     
  15. gavin

    gavin Elite Explorer

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    bought new rims... a rim was out of round. Got it replaced. Finally figured out atleast 1 tire (brand new also) was out of round.
    which is what kept destroying my front hub assy's (replaced multiple times in a couple years) and LBJ's (also replaced multiple times). I believe it also destroyed my rear axle bearings.

    just take it VERY easy on the bolt. I was afraid of the same thing. If anything, just slightly tap on the wrench with a hammer until it comes loose. Do not just start using excessive force, and you should be fine.
     
  16. storlied

    storlied Well-Known Member

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    I've seen mini torches at like walmart, would that be worth getting and using for this bolt? Plus of course PB blaster.
     
  17. gavin

    gavin Elite Explorer

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    you most definitely should NOT need PB Blaster. This bolt has been soaked in gear lube almost all it's life.

    I personally would not want to heat the carrier, but that's just me. Although it would help at loosening up the locktite on what few threads the bolt has.

    I cannot say wether or not it would be safe to do so.
     
  18. storlied

    storlied Well-Known Member

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    Ah, well just wondering your opinion.. I've read that others have heated it up. All in all, this job seems like cake.. other than that bolt breaking..
     
  19. gavin

    gavin Elite Explorer

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    it very well could be safe. I'm just not knowledgable in that area.

    If others have done it without issue, then go for it.

    but the pb blaster or any kind of rust-treatment really is unnecessary. Unless the axle got drained, then sat for a few years, there should be virtually no rust what-so-ever, except maybe very slight amounts in the tubes, but definitely not in the pumpkin or on the carrier.
     
  20. storlied

    storlied Well-Known Member

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    Could you explain further about the not turning the axle shafts while the cross pin and bolt are out?... that thing inside the diff.. the carrier.. does that spin while in normal operation or does it stay stationary because of the pin?... I don't quite understand how a differential works completely... what is the issue with the shafts turning?..
     
  21. gavin

    gavin Elite Explorer

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    if you remove the crosspin, the spider gears are free to fall out.
    but you won't have any worries if you do not spin the axle shafts.

    If you do, it could cause the spider gears to fall out. And I'm sure it wouldn't be all that easy trying to put those back in.

    the carrier is what holds the spider gears, clutch packs for a limited slip (if applicable), and is what the ring gear bolts to. So yes, the carrier spins.
     

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