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OFFICIAL 2nd gen 4x4 front differential bearing vibration thread

Discussion in '2nd Gen. Tacomas (2005-2015)' started by BenWA, Apr 17, 2011.

  1. Jun 13, 2020 at 1:46 PM
    #4481
    greentoy

    greentoy Member

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    josh
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    I checked and that side seems alright. Any other way I can test the drivers side without getting up off all 4? I tried rocking the wheel and spinning in by hand but seems to be only acting up when it wants to
     
  2. Jun 15, 2020 at 5:01 AM
    #4482
    SR-71A

    SR-71A Define "Well-Known Member"

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    You sure your mechanic installed the ECGS bushing right? Ive heard if the bushing is driven in too far that causes problems
     
  3. Jul 13, 2020 at 1:28 PM
    #4483
    greentoy

    greentoy Member

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    I don't know what happened but I towed a boat the night after and it seemed to go away‍♂️. I've started looking towards the rear and driveshaft angles
     
  4. Nov 17, 2020 at 10:26 PM
    #4484
    423 TACO

    423 TACO Well-Known Member

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    Well, sign me up. Think I finally found my vibration.
     
  5. Nov 18, 2020 at 4:21 AM
    #4485
    Chris(NJ)

    Chris(NJ) Well-Known Member

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    Mods are currently being changed .....
    I noticed that too. I guess it didn't give you any immediate issues since you didn't report back? I don't really understand why they do that though.
     
  6. Nov 18, 2020 at 4:29 AM
    #4486
    dborrer

    dborrer Well-Known Member

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    0 issues.... running strong.... I did call CVJ but their tech guys said NO worries... they have been sending them that way for a long time....
     
    SR-71A and Chris(NJ) like this.
  7. Nov 18, 2020 at 4:29 AM
    #4487
    Chris(NJ)

    Chris(NJ) Well-Known Member

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    Good to know, Thanks!!
     
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  8. Dec 11, 2020 at 8:09 PM
    #4488
    Batman292

    Batman292 Member

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    Is there only one needle bearing in the driver's side? The shop is telling me I need to buy 2 but I read on egcs only one of required
     
  9. Dec 12, 2020 at 4:24 AM
    #4489
    dborrer

    dborrer Well-Known Member

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    Only one on the drivers side has the needle bearing. The passenger side has a large caged ball bearing style bearing. So you will be replacing the one needle bearing with the ECGS "Bushing"
     
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  10. Mar 20, 2021 at 11:23 PM
    #4490
    Hazen

    Hazen New Member

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    Anyone need the puller tool for 05-15 Tacoma? I did this fix last year and just found it in my garage. Best fix ever btw. Bad vibes 100% gone when I pulled out of the shop.
     
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  11. Jun 22, 2021 at 4:38 PM
    #4491
    4WDTrout

    4WDTrout Perpetually dreaming of tall trees & rivers

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    What gear oil are you guys running in your front diff?

    Weight & Brand.
     
  12. Jun 22, 2021 at 5:25 PM
    #4492
    Taco'09

    Taco'09 Well-Known Member

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    Actually both sides of the differential itself have the same needle bearing from the factory. I have been replacing both with the ECGS bushing after seeing some hammering-type marks on the RH stub shaft of mine where it contacts the factory needle bearing. I suspected these marks were from initiating the 4lo TRAC mod where torque is transferred through the differential as the brakes are applied during the TRAC action.

    My later truck has ATRAC and it works the same way in principal as TRAC but with more aggressive braking and activated at slower wheel spin. So decided to do it too. I was in the process of pulling things apart to do the bushing and suddenly revised the plan to include an elocker.

    While the differential was removed I put the second bushing on the RH side where the stub shaft enters the differential. The ECGS bushing works well on the RH side as well but on the second truck I trimmed its length a small amount because the factory casting where the bearing/bushing rides is a bit shallower on that side.

    The entire difference is the LH side has the CV shaft entering directly into the bearing/bushing and the RH does not. On the RH a stub shaft that is part of the inner ADD fits into the differential. But it is on the opposite (outside) end of the long ADD tube where the ball bearing lives. The RH CV shaft is identical to the LH but instead of entering the differential directly it enters the ADD tube.
     
  13. Jul 1, 2021 at 10:31 AM
    #4493
    EricT

    EricT Well-Known Member

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    I did the valvoline 85/140 I think it was. Wal mart, in an oversized caprisun looking squeeze bag that made filling super easy, no pump needed.

    https://share.icloud.com/photos/0oXH8weajAXyVeAYVhpZEwH5g

    How bad is that? I get the new ecgs bushing tomorrow, I'm just curious how long I've let this go. To me that's a horrifying amount of play, but I don't have any experience or reference there.
     
  14. Jul 1, 2021 at 11:21 AM
    #4494
    4WDTrout

    4WDTrout Perpetually dreaming of tall trees & rivers

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    Thanks for the reply. You’ll be glad you got the OEM Spider Bearing out & installed the ECGS Bushing. I did mine a few years back and am happy it’s done.
     
  15. Jul 31, 2021 at 11:12 AM
    #4495
    tacoshell09

    tacoshell09 New Member

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    Jeb
    Truckee, CA
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    2009 Tacoma V6 TRD - access cab - 6 speed manual
    Hi all. I've got some symptoms that might be this needle bearing issue, but I'm not sure. I get a hum and vibration in the floor at about 30 mph and again (more intense) at 60 mph. It seems to be worse in a right turn, but I also get it going straight. 140,000 on the truck and no lift. I'm not sure because when I switch to 4X4, the hum and vibration are still there. Has anyone else had this issue where 4X4 does NOT clear it up? I just replaced both front wheel bearings with no improvement. I felt the cv axle where it goes into the diff and it is definitely loose. Here's a video of that cv axle input. Thanks!



    https://www.youtube.com/watch?v=rL1yo78Hzgo
     
  16. Jul 31, 2021 at 11:57 AM
    #4496
    EricT

    EricT Well-Known Member

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    For the needle bearing it’s an easy test. Lie down under the truck by the driver side front wheel, grab the axle right by where it goes into the front differential and shake it. If it’s moving around, no bueno. After I replaced my needle bearing with the ecgs I have zero slop. Not even a faint click. See what others have to say but got me that’s the easy test.
     

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