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Continuous left CV axle break

Discussion in '3rd Gen Tundras (2014-2021)' started by TonyTSS16, Jan 19, 2020.

  1. Jan 19, 2020 at 10:38 AM
    #1
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    After 6 in Rough Country suspension lift in stalled I've had the driver side CV axel has broken twice. Seems if the front tires ever spin over it breaks the left axel. Has anyone ever experienced this or does anyone have a possible solution to this. It's the 6 in Rough Country lift with the upgraded shocks and struts on front.

    Also should I look at re-gearing the drive line being I went with 35 in tires, and if so what ratios would you suggest?

    Thanks for any help here.
     
  2. Jan 19, 2020 at 12:11 PM
    #2
    timsp8

    timsp8 Member

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    Did you do a diff drop? Angle is probably too high. Do you have pictures?
     
  3. Jan 19, 2020 at 12:22 PM
    #3
    TXRailRoadBandit73

    TXRailRoadBandit73 RUNNIN' WITH THE DEVIL AND THE TÜNDRA CRÜE

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    2014 here bought used in 2016 with 26,000, sitting at 84,000, zero issues, 6" RC lift with 35*12.50*20 tires 20*9 wheels +20 done by dealer, are you engaging 4wd on dry pavement? Heard this can put axles in a bind and as for re-gearing, I've read on here if your tires are 37s on up to re gear
     
    TonyTSS16 [OP] likes this.
  4. Jan 19, 2020 at 12:33 PM
    #4
    Elduder

    Elduder New Member

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    Post pics, but a 6" shouldn't need a diff drop. Theyre usually done with a chop to the frame that allows the angles to be similar or the same as OEM. I suspect something is a little different that the usual though.
     
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  5. Jan 19, 2020 at 1:55 PM
    #5
    Hbjeff

    Hbjeff New Member

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    Also, some drop bracket lifts only drop the diff down 4 inches. So if you’re pushing 6 maybe more inches of lift out of that, we could be talking about some extreme angles
     
    TonyTSS16 [OP] likes this.
  6. Jan 19, 2020 at 2:07 PM
    #6
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    It only does it in the mu15794714868345614699812747720250.jpg 15794715777842404638952945085122.jpg d, never lock it in on pavement or concrete.
     
  7. Jan 19, 2020 at 2:26 PM
    #7
    Hbjeff

    Hbjeff New Member

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    Holy shit dude. Those angles are horrendous.

    How many inches is the LCA drop bracket?

    It looks like a 4 inch lift with another 3.5 inches of lift from the springs.

    Take a picture of your front shock

    He driver side looks considerably higher than the passenger side. Thats the one breaking correct? What is likely happening is the tire is dropping into a rut of soft mud, thus the spinning, then when it hits solid bottom and catches traction the angle is just jacked and snaps
     
    Last edited: Jan 19, 2020
    2mchfun, 1engineer, 15whtrd and 5 others like this.
  8. Jan 19, 2020 at 2:41 PM
    #8
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    Yes you are correct.

    15794737360942344742465115676395.jpg
     
  9. Jan 19, 2020 at 2:45 PM
    #9
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    Full on front view.

    15794738865257721885739697458399.jpg
     
  10. Jan 19, 2020 at 3:51 PM
    #10
    Hbjeff

    Hbjeff New Member

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    I believe those shocks are meant for their 6 inch kit. Is there any spacer plate on top of them as well?
     
  11. Jan 19, 2020 at 4:07 PM
    #11
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    Yes it is a 6 in lift with the upgraded struts and shocks. No plate on top.

    15794788161264470997429745082521.jpg
     
  12. Jan 19, 2020 at 4:40 PM
    #12
    Hbjeff

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    Ohh ok. That shouldnt be too extreme then. Maybe, just maybe the first time was a fluke, was the second break an oem cv or aftermarket?
     
  13. Jan 19, 2020 at 4:48 PM
    #13
    boatzNhoez

    boatzNhoez New Member

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  14. Jan 19, 2020 at 5:17 PM
    #14
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    First OEM second Aftermarket (NAPA)
     
  15. Jan 19, 2020 at 5:18 PM
    #15
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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  16. Jan 19, 2020 at 5:41 PM
    #16
    Elduder

    Elduder New Member

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    How are they breaking? Boot tearing, axle fracturing, CV joints detaching?
     
  17. Jan 19, 2020 at 5:47 PM
    #17
    boatzNhoez

    boatzNhoez New Member

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    I’m looking to get 3 more people on board for that group buy. Myself and another member are on so far.
     
  18. Jan 19, 2020 at 5:54 PM
    #18
    boatzNhoez

    boatzNhoez New Member

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    25% off and lifetime warranty might be something your interested in.
     
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  19. Jan 19, 2020 at 6:41 PM
    #19
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    CV joints keep twisting out. It's like if the front tire ever spins over it snaps the joint.
     
  20. Jan 19, 2020 at 6:44 PM
    #20
    SouthWestGA

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    Is that stock upper control arms on such a large lift?
     
  21. Jan 19, 2020 at 7:03 PM
    #21
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    Yes. Could that be an issue? This is my first lifted truck.
     
  22. Jan 19, 2020 at 7:13 PM
    #22
    Hbjeff

    Hbjeff New Member

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    Here is what i would measure. How far down is the diff dropped. Measure mounting point compared to stock (not sure if either mount still exist tho with cutting)
     
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  23. Jan 19, 2020 at 7:13 PM
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    SouthWestGA

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    I can’t chime in on the axle issue

    Generally speaking, with a lift you need aftermarket adjustable upper control arms or uniball upper control arms to keep from having extreme tire wear

    Lifting your vehicle messes with the alignment geometry and keeps you from getting an optimal suspension alignment

    That in turn causes extreme alignment angles and can lead to severe uneven tire wear if sticking with a stock non adjustable upper control arm
     
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  24. Jan 19, 2020 at 7:16 PM
    #24
    Hbjeff

    Hbjeff New Member

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    The uca wont affect this issue tho. If anything the stock uca has less downtravel and can help the cv not get over extended.
    Uca are for alignment
     
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  25. Jan 19, 2020 at 7:17 PM
    #25
    empty_lord

    empty_lord They see me rollin'

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    Those CV angles look WAY too steep. that drop bracket wasnt meant for a 4" lift was it?
     
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  26. Jan 19, 2020 at 7:19 PM
    #26
    TXRailRoadBandit73

    TXRailRoadBandit73 RUNNIN' WITH THE DEVIL AND THE TÜNDRA CRÜE

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    @TonyTSS16

    What struts are those? I ordered the RC ones a while back and have yet to put on cause they look poorly made, they eliminate the spacer up top, also I have stock UCA's and I never had the issues your going through, I'm mainly pavement, but once in a while I'm in mud, but more sand as I'm close to the Texas coast, my CV axles angles are the same as yours, and I have the diff drop as well
     
  27. Jan 19, 2020 at 7:50 PM
    #27
    14burrito

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    Not saying ita right but the CV angles look similar to the posted pics they have of the lift on RC website.

    I'd call RC and ask WTF.

    Screenshot_20200119-205400_Chrome.jpg
     
    TonyTSS16 [OP] likes this.
  28. Jan 19, 2020 at 7:59 PM
    #28
    TonyTSS16

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    I can't remember for sure. Not sure if I ever heard the name of them. They were offered as the upgraded Rough Country 6in lift. I'll look tomorrow and see if I can find a name on them.
     
  29. Jan 19, 2020 at 8:00 PM
    #29
    TonyTSS16

    TonyTSS16 [OP] 16 TSS

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    Not sure. H&H installed the lift, wheels and tires for me. Not been a fan since.
     
  30. Jan 19, 2020 at 8:00 PM
    #30
    TXRailRoadBandit73

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    I have the older version, your's look like the newest ones out, I just don't understand how this is happening to you
     

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