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Front vibration with 3" Rough Country Lift

Discussion in 'Suspension' started by pub crawler, Dec 27, 2013.

  1. Dec 27, 2013 at 8:45 AM
    #1
    pub crawler

    pub crawler [OP] Member

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    Remember I am new. Since I bought this I have a vibration around 35-45 mph. I have taken it everywhere (including Toyota) and they all say I need a front diff drop. So I called RC and they said no way should I need that. I told them if I cant get it figured out I would be sending it back. Their response was "that's fine send it back". So much for customer service. Anyone have any thoughts or ideas.
     
  2. Dec 27, 2013 at 9:01 AM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Welcome to TW! Is your truck 4 wheel drive?
     
  3. Dec 27, 2013 at 9:19 AM
    #3
    pub crawler

    pub crawler [OP] Member

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  4. Dec 27, 2013 at 9:27 AM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You might want to have the torque checked on all the bolts/nuts that were touched during the install. Also, check your CV joints for excessive play.
     
  5. Dec 27, 2013 at 9:29 AM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Ok....the kit you have is a top plate spacer. There is a chance you have over extended your CV joints, possibly causing the issue. Only fix is to replace the CV's, and get used to it happening, or get a better lift kit.
     
  6. Dec 27, 2013 at 9:35 AM
    #6
    na8rboy

    na8rboy 18 DCLB Sport Cement

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    Sounds like pretty good customer service, if their willing to take back a spacer lift that was installed.


    A 3" spacer lift will cause your problems. Bet you didn't replace UCA's either, anything over 2.5" need's after market UCA's


    chris4x4 is spot on with CV's
     
  7. Dec 27, 2013 at 9:52 AM
    #7
    addicted7369

    addicted7369 She Thinks My Tacoma is Sexy

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    I bought a toytek ultimate lift and it came with the diff drops and I have problems at all
     
  8. Dec 27, 2013 at 9:54 AM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    The toytec kit doesn't over extend the shocks/CV's, so it wont have vibes. The Diff drop does nothing but rotate the front diff forward, decreasing ground clearance. The amount of drop at the CV's is less than 3%.
     
  9. Dec 27, 2013 at 10:01 AM
    #9
    addicted7369

    addicted7369 She Thinks My Tacoma is Sexy

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    Oh OKi wasn't aware of that but I also got the new UCA with it
     
  10. Dec 27, 2013 at 10:58 AM
    #10
    pub crawler

    pub crawler [OP] Member

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    So if I change the front to a toytek will I have to change the back. The RC came with new shocks and a 2" block. Would you know the exact toytek parts #'s I would need and also cost. Like I said very new to this and I am not a mechanic.
     
  11. Dec 27, 2013 at 12:10 PM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You wont have to change the back. Odds are, youre gonna have to change the CV's though.
     
  12. Dec 27, 2013 at 12:59 PM
    #12
    pub crawler

    pub crawler [OP] Member

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    ok say I talked to toytec and they recommended to start with an diff drop and cb drop any thoughts
     
  13. Dec 27, 2013 at 1:21 PM
    #13
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You are running a lift that over extends the shock. This is not good. You can throw parts at it all day, but until you fix the cause of the problem, nothing will get better.
     
  14. Dec 27, 2013 at 1:51 PM
    #14
    pub crawler

    pub crawler [OP] Member

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    so tell me what to put on to fix it and I will. I cannot stand the vibration.
     
  15. Dec 27, 2013 at 2:56 PM
    #15
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    im guessing you will need new CV's, and get either a 5100 shock, with an Eibach spring, or get them already assembled. You can call Downsouth Motorsports and talk to them. They are good to talk to, and offer good discounts to the members here.
     
  16. Dec 28, 2013 at 5:35 PM
    #16
    pub crawler

    pub crawler [OP] Member

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    Ok that sounds good. What about the uca's what would you recommend there. Once all this is installed do I have to realign again. You also said I should replace the cv's also. Why should I do that just asking I don't understand
     
  17. Dec 28, 2013 at 6:04 PM
    #17
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Just keep it in the back of your mind, they could be damaged. Light Racing UCA's are affordable, and well made. Yes, you would need a new alignment.
     
  18. Jan 1, 2014 at 4:36 PM
    #18
    pub crawler

    pub crawler [OP] Member

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    Ok so im ready to be told i told you so. I installed t'he diff drop and cb drop reccomended by toytec. It did nothing may have made it worse. Im ready to ininstall new coils and shocks. I know nothing about these so need someres help. I d'Ontinyent understand any a 3" spacer lift is any different then changing coils and shocks. Someone please tell me the difference between preloaded and not. I am looking for 3" of lift in front. Thank you
     

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