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2010 Rear end shakes when driving at 45mph and up?!!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by firefighter3224, Jun 8, 2010.

  1. Jun 8, 2010 at 8:58 PM
    #1
    firefighter3224

    firefighter3224 [OP] New Member

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    Clay
    Gastonia, NC
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    2010 SR5 4x4
    3" lift, bed storage box lock mod
    Ok so Im new to the toyota family I have had lifted jeeps in the past with no problems but I have a 2010 Taco Double cab short bed with a 3 inch spacer lift up front and a 2 inch block in the rear the kit came with hydro shocks for the rear and I put on a set of pro comp xterrain 285/75/16 with helo wheels ever since I lifted it and put the new tires on I have had the shaking/ bouncing problem coming from the rear the front is just as smooth as the day I got the truck and it rides fine with no shaking until I hit around 45-47mph I have had the tires ballanced 3 times and I have double checked the u bolt torque 4-5 times and they are fine and I have adjusted the tire pressure to 32 psi, but I still have the shaking I am thinking that my problem could be the hydro shocks and I was thinking that I should maybe look into some bilstien shocks!!!! But besides that I have no clue what else the problem could be!!! Any help would be greatly appreciated. Thanks!!!!!
     
  2. Jun 11, 2010 at 7:12 PM
    #2
    jackwithcorona

    jackwithcorona Well-Known Member

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    Eastern Mass
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    bestop supertop, rubber bed mat, weathertech floor mats
    Could be driveline vibration from the lift. Not sure of the tread but if you search for it I think it will turn up. It involves pjtting 1/4 in spacers right by the u joint
     
  3. Jun 11, 2010 at 7:15 PM
    #3
    MxRacer190

    MxRacer190 Well-Known Member

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    Probably from the angle of the driveshaft. Toytec makes a 3 degree shim that might fix this, or a carrier bearing drop.
     
  4. Jun 11, 2010 at 7:17 PM
    #4
    Kyouto42

    Kyouto42 Iron Beard

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    Ahwatukee, AZ
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    See build thread in signature
    This, plus using a spacer lift tends to jack up your suspension geometry which usually means getting a stiffer ride to boot. A true case of you "get what you pay for"
     
  5. Jun 11, 2010 at 7:19 PM
    #5
    Yoytoda

    Yoytoda The Little Truck That Could

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    Roland
    Big Bear,CA / Upstate NY(Saratoga)
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    completely stock
    id also lose the block and go AAL
     
  6. Jun 12, 2010 at 4:23 AM
    #6
    Janster

    Janster Old & Forgetful

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    Jandy
    Lancaster, PA
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    How's that possible? If you sneeze on a jeep, you get vibes! J/K

    Rotate your tires....... Does the vibration change (position/feel, etc)? If YES, then its in your tires/wheels. Check your wheel weights in case one came off. Do you do any offroading? A bent wheel can cause vibrations also.

    If this is not the case..... When does the vibration occur the most? Cruising along at what speed? Does it happen mostly upon acceleration or deceleration? or both..... What happens when you come to a stop? What happens when you start moving from a stop?

    With only 2" of lift, I'm not sure you have driveline vibes but it sounds more like AXLE WRAP. If this is an accurate assumption, then you need to DITCH the rear block and get a replacement leaf pak or an Add-a-leaf.
     
  7. Jun 12, 2010 at 4:46 AM
    #7
    VTDave

    VTDave Well-Known Member

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    Vermont, USA
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    If you can drive through the vibration (meaning: it starts at 45mph and stops at 65/70/80 mph), it's a balance issue. In that instance, I would get those beefy tires/wheels roadforce balanced (rather than regular balancing).

    If the vibration isn't something you can drive through, then it's either drivetrain or suspension. Does the shudder get worse under acceleration up a hill? If so, drivetrain is a likely culprit.

    Good luck.
     
  8. Jun 12, 2010 at 8:06 AM
    #8
    jackwithcorona

    jackwithcorona Well-Known Member

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    what he said
     
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