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Front outside wheel bearing already?!

Discussion in 'Technical Chat' started by nobackhair, Nov 29, 2011.

  1. Nov 29, 2011 at 7:32 AM
    #1
    nobackhair

    nobackhair [OP] Well-Known Member

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    Just bought an 07 Taco. Had CO's on it. Added UCA's. Took in for alignment. Said fr. outside wheel bearing was going and going fast. It only has 70,000 on it. When I questioned how could that have happened w/ only that many miles they say there is no rhyme or reason. Is there a possible reason? I only know it's a sealed bearing.
     
  2. Nov 29, 2011 at 7:35 AM
    #2
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    They aren't as sealed as you think they are.
     
  3. Nov 29, 2011 at 8:09 AM
    #3
    BlueT

    BlueT Well-Known Member

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    I moded 1999 Taco so much it had turned to Land Cruiser
    x2 plus original bearings have lithium POS grease in them, plus they have plastic cage in them, plus nobody tightens them
     
  4. Nov 29, 2011 at 8:15 AM
    #4
    ANGUS

    ANGUS Well-Known Member

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    Mine did the same at about 85k. But mine sees A lot of off roading
     
  5. Nov 30, 2011 at 8:54 AM
    #5
    nobackhair

    nobackhair [OP] Well-Known Member

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    Talked to mech. that said he sees these quite a bit at around 60 to 80k. Mine did have a pinch of damage from water. The ridge on the front rotors was very pitted from excessive water. He thinks, if there is any reason that it could be the size of the wheels and tire set ups and obviously how much abbuse they might get during Off-Road use. Wider the tire, faster they go. Just his opinion.
    Not that I'm trying to make a point on the tire issue but I have an 82 Toy truck and a 95 4 Runner w/ mucho miles on them. Always kept original sized tires on them and still have no wheel bearing issue. Next time I'm doing the RnR myself. I noticed the book on that for time was between 2.8 to 3.2 hrs. If I had theirs tools (press,etc.) and a hoist I know I could cut that in 1/2. That's if everything went smooth. It probably would take that long if there were issue.
     
  6. Nov 30, 2011 at 8:58 AM
    #6
    nobackhair

    nobackhair [OP] Well-Known Member

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    What do you mean about the tightening? The bolts on the backside of the housing? Is there torque settings for those? I'm guessing there is but I didn't see them.
     
  7. Nov 30, 2011 at 9:00 AM
    #7
    nobackhair

    nobackhair [OP] Well-Known Member

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    I agree w/ that after seeing that bit of rust that was on the outside bearing.
     
  8. Nov 30, 2011 at 9:01 AM
    #8
    t4daddy

    t4daddy Well-Known Member

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    I'm pretty sure I've got the same one starting to go, I hear a dull roar coming from that area. This on a 08' Prerunner with just over 50,000 and no off-roading, well no water or mud anyways.
     
  9. Nov 30, 2011 at 9:03 AM
    #9
    ST3VE

    ST3VE Well-Known Member

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    I had to replace mine after 72,000 miles as well. I thought it was ridiculous that they went bad too. Its a pricy thing to get fixed thru the shop.. so I ended up doing it myself for 80% cheaper.
     
  10. Nov 30, 2011 at 9:36 AM
    #10
    BlueT

    BlueT Well-Known Member

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    I moded 1999 Taco so much it had turned to Land Cruiser
    Look at the link I provided to FSM.
    http://www.ncttora.com/fsm/05+/data/ileaf/06toyrm/06toypdf/06rmsrc/rm2006ta/03800410.pdf

    for -prerunner --- Look at page AH-14 where it says "FRONT WHEEL
    ADJUSTING NUT
    " this nut needs to be tightened to 203 ft, lb according to manual

    for 4WD --- Look at page AH-13 where it says "FRONT AXLE HUB NUT" this nut needs to be tightened to 173 ft, lb according to manual

    Tightening wheel bearings used to be a maintenance item done anywhere from 3500 - 10 000 miles intervals. I guess Toyota figure out they will let them fail.
    I did not do mines because truck was new and I did not want to mess with them but at 40000 bearings were loose and at that point it was cheaper to me to replace them ( I do my own work so cost of parts) then tighten them and hope there is still grease in there. Loose wheel bearings will leak grease out faster. Keeping them tightened will prolong lubrication. My current plan is to tighten them every 8000 -10000 miles to make sure they stay tight. I repacked my new bearings with Mobil grease so that is less likely to leak out "ever" :D
     
  11. Nov 30, 2011 at 10:02 AM
    #11
    nobackhair

    nobackhair [OP] Well-Known Member

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    When I asked the mech. what was the most reliable way to check he said by jacking it up enough to spin the wheel and you can feel it most in the spring.
     
  12. Nov 30, 2011 at 10:25 AM
    #12
    nobackhair

    nobackhair [OP] Well-Known Member

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    Thanks for the up on the maintainance. Through this whole procedure no one ever mentioned maintainance on these bearings.
     
  13. Nov 30, 2011 at 10:27 AM
    #13
    t4daddy

    t4daddy Well-Known Member

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    Thanks for the tips guys.
     
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