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Front Wheel Bearing issues (2019)

Discussion in '3rd Gen Tundras (2014-2021)' started by AmateurWheels, Mar 2, 2020.

?

Wheel bearing replacement 3rd gen?

Poll closed Mar 16, 2020.
  1. Yes, covered by factory warranty

    0 vote(s)
    0.0%
  2. Yes, after warranty Expired

    0 vote(s)
    0.0%
  3. No

    100.0%
  4. Yes, Multiple times

    0 vote(s)
    0.0%
  1. Mar 2, 2020 at 12:56 PM
    #1
    AmateurWheels

    AmateurWheels [OP] New Member

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    Did some searching, nothing recent. Anyone had wheel bearing/hub issues? Any root cause analysis?

    Toyota replaced first full assembly at 12k. 2nd one at 20k, same side. Should be picking up tomorrow.

    ** all stock **

    Thank you

    2019 Double Cab, TRD Sport 5.7. **edit 4x4**
     
    Last edited: Mar 3, 2020
  2. Mar 2, 2020 at 1:34 PM
    #2
    plumber802

    plumber802 New Member

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    Yikes! Is it possible there might be an underlying issue that is causing these failures?
     
  3. Mar 2, 2020 at 1:49 PM
    #3
    AmateurWheels

    AmateurWheels [OP] New Member

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    I'll know more tomorrow. I know after the first replacement they couldn't get the alignment spot on. I assume being a repeat issue they had to open a case with Toyota. Mostly curious if someone else has had the same issue.
     
  4. Mar 3, 2020 at 6:43 AM
    #4
    AmateurWheels

    AmateurWheels [OP] New Member

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    Should also note, that this is a 4x4.
     
  5. Mar 3, 2020 at 10:09 AM
    #5
    endagon

    endagon New Member

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    Just to rule it out... is it an annoying growling between 25-40 mph that's louder in the cold, but goes silent in 4WD?

    Mine does that, it's the diff. I'll be doiNg the ECGS bushing fix eventually
     
  6. Mar 3, 2020 at 11:13 AM
    #6
    pickeledpigsfeet

    pickeledpigsfeet New Member

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    What are your symptoms?
     
  7. Mar 3, 2020 at 11:16 AM
    #7
    timsp8

    timsp8 Member

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    2 bearings in 20k isn’t normal. There probably is something else off that’s causing it. Unless it’s the front diff growl issue endagon said. But that usually starts after a lot more miles than 20k.
     
  8. Mar 3, 2020 at 1:12 PM
    #8
    AmateurWheels

    AmateurWheels [OP] New Member

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    Sounds like a gear whine, above 30mph. Same noise in either 2 or 4wd. Adds a slight steering wheel vibration also.
     
  9. Mar 3, 2020 at 1:14 PM
    #9
    blackoutt

    blackoutt YEAH BUDDY!

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    I've wondered about front diff needle bearing growl on 3rd gens as well. Cured my high miles 2nd gen front diff growl. Do the straight line low speed test, if it growls in 2wd and goes silent in 4wd it's the diff needle bearing. I'm guessing you didn't really have two bad bearings so close together on the same side. In the automotive diagnostics world we see shops do stuff like this all the time and keep missing root cause even 4-5 replacements down the road before theres a red flag.
     
  10. Mar 3, 2020 at 1:54 PM
    #10
    JohnLakeman

    JohnLakeman Burning Internet Daylight

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  11. Mar 3, 2020 at 2:10 PM
    #11
    timsp8

    timsp8 Member

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    I don’t think that’s the needle bearing. Mine went out on my 2010 and it felt like driving over rumble strips at around 30 mph, but didn’t make any sound.

    Would a bad bearing make a gear whine? Are they sure it’s the bearing and not the front differential going out?
     
  12. Mar 3, 2020 at 2:18 PM
    #12
    AmateurWheels

    AmateurWheels [OP] New Member

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    Yes. As previously noted the wheel bearing/hub fixed the issue before.


     
  13. Mar 3, 2020 at 2:46 PM
    #13
    JohnLakeman

    JohnLakeman Burning Internet Daylight

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    I agree, but I can't wait to see how anyone could screw this up...twice. If they're going to use bad parts, at least the labor is on their warranty dime. @AmateurWheels you have to report the fix on this!

    Snip 9.jpg
     
  14. Mar 3, 2020 at 3:10 PM
    #14
    JohnLakeman

    JohnLakeman Burning Internet Daylight

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    @AmateurWheels I think I know the answer to your question, and yes, an inexperienced technician can screw this up...twice. See parts diagram below:

    https://parts.toyotaofcoolsprings.c...-7l-v8-gas/front-suspension--front-suspension

    Toyota supplies the front axle bearing (Item 2) separately from the hub (Item 1), but the two parts are interference pressed together. I believe the bearing has to be pressed onto the front hub before installation. If the bearing is pressed on using its outer flange or housing rather than on the inner race, the press force passes through the rolling elements which are not designed to handle that kind of "thrust load". That is pretty basic press technique when pressing bearings. The technician is damaging the bearings when he presses them onto the hub...the bearings are failed before the wheel ever touches the ground.
     
  15. Mar 3, 2020 at 5:46 PM
    #15
    AmateurWheels

    AmateurWheels [OP] New Member

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    The first one couldn’t be separated as it was fused together somehow so they replaced it with the pricier assembly. So factory failure and warranty replacement failure. They needed an extra day with the truck so we will see.
     
    Last edited: Mar 5, 2020
  16. Mar 6, 2020 at 11:41 AM
    #16
    AmateurWheels

    AmateurWheels [OP] New Member

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    They replaced the knuckle which was off by .0040, and the bearing & hub and seals + alignment. They figured the factory knuckle was produced out of tolerance. TAS case was also opened. All good now.
     
    blackoutt likes this.
  17. Mar 6, 2020 at 11:53 AM
    #17
    blackoutt

    blackoutt YEAH BUDDY!

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    Hopefully that was the root cause and glad they got you taken care of!
     

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