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Have you developed VIBES or Humm/Buzz Since Lifting?

Discussion in 'Suspension' started by Negative1, Dec 14, 2009.

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Have you developed VIBES or Humm/Buzz Since Lifting?

  1. I've never had any vibrations since lifting.

    26.4%
  2. Yes I have the vibrations since lifting.

    64.3%
  3. Had the vibrations but fixed them (please post to explain)

    5.1%
  4. Yes I had the vibrations, but even before I lifted.

    4.2%
  1. Nov 17, 2010 at 7:24 PM
    #101
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    Takeoff shudder from 0 - 10 mph. Shimmed the carrier bearing with 1/4" of washers and gone. No vibes at any other speeds.

    In my opinion, most carrier bearing drop brackets on the market drop way too much. Looking at my driveshaft and CB position, a 2 inch or more drop would've force it too far in the other direction.

    I say try shimming 1/4" to 1/2" with grade 8 washers before looking into a full blooded drop bracket for the CB. I might see if I can get beefed to make me a custom 1/4" one.
     
  2. Nov 18, 2010 at 9:28 AM
    #102
    spamy

    spamy Truck guy

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  3. Feb 2, 2011 at 3:40 AM
    #103
    BryWi

    BryWi Psalm 109:8

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    Glad that's fixed. :)

    Looked pretty ugly. :(

    Not fixed!? Good luck finding the problem. Hopefully it's a little better than the vid, anyway.
     
  4. Feb 5, 2011 at 5:24 PM
    #104
    Reepur

    Reepur Well-Known Member

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    First, I had the 40-50 mph vibration (hum) from the floorboard which goes away in 4 wheel drive after I did my lift. Read here it most likely is the diff bearing.

    So I tried a 1" diff drop, and OMG it made it 10x worse! Vibration from 10-60 mph and a whah whah whah feeling around 50 mph. So I yanked off the diff drop and it went back to the 40-50 mph hum.

    Today, just taking a shot in the dark, I installed Toytec 3 deg shims on the rear. ....... and it worked! No vibrations at any speed. Doesn't make since to me but I am not going to complain.

    Reg Cab 4x4 2.7 4 banger
    2.5" Billie lift, DSM UCA's, with 1.5" AAL
     
  5. Feb 20, 2011 at 10:16 AM
    #105
    DirtRoadCommute

    DirtRoadCommute Active Member

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    In the poll, I selected, "Had the vibrations but fixed them (please post to explain)."

    This is my explanation.

    I have a 2WD DC Prerunner. After I installed a 4" Camburg spindle lift in the front and a 3", 11-leaf spring pack from All Pro Offroad in the rear, I had a drive line vibration from 0-45 mph. I installed 4-degree axle shims to correct the pinion angle and the vibrations disappeared. No carrier bearing drop was needed.
     
  6. Feb 20, 2011 at 10:49 AM
    #106
    Blacktacoma23

    Blacktacoma23 The Dank Tank

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    Only noise i have is from my tires
     
  7. Feb 24, 2011 at 3:30 PM
    #107
    Texoma

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    Thanks, subbed
     
  8. Feb 24, 2011 at 4:42 PM
    #108
    Texoma

    Texoma Well-Known Member

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    Yup, soon as I test drove after putting the lift on the front got a vvvvvvvvvvvibration, and after hoping it was alignment, it turns out it is going to be front differential bearing. My truck is still under warranty and I am hoping they'll fix me up for free, well prob a few days w/o a truck. I'll post with any solutions that have occurred.
     
  9. Nov 22, 2011 at 1:07 PM
    #109
    Eesh

    Eesh Well-Known Member

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    I think a good question is.... Are the long boxes or short boxes more susceptible to vibes?
     
  10. Nov 22, 2011 at 1:09 PM
    #110
    OZ-T

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    Lifted ones , yes
     
  11. Nov 22, 2011 at 3:14 PM
    #111
    Trifenix

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    I had bad vibes after LT. I added 4 degree shims and now i only have slight vibe at 12mph. I use 1/4 inch washers on my cb bracket
     
  12. Nov 23, 2011 at 11:52 AM
    #112
    yodaman

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    Vibes at 20 and 40 mph. Toyota completed the 20 mph TSB. Still had vibes. Just yesterday driveline company diagnosed it as the spider gear near the driver side tire. They do not believe that my 3 inch lift would have caused this. My truck is out of warranty but Toyota is still going to fix it because I had it documented with their dealership. I will tryand update for everyone. Driveline shop has seen a few lately. The best part is toyota has inspected my truck 3 times. Driveline shop inspected it for one hour and found the problem AND it was free.

    (so far I have fixed the 1000 rpm cold vibe, ticking blower, squeaky seat, and my cold/hot air switch...keep em coming)
     
  13. Nov 25, 2011 at 11:30 AM
    #113
    yodaman

    yodaman Active Member

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    Appointment with Toyota today went great. 4th time at their dealership. Today they stated it was the front differential. Going back next week to have it replaced with 1000 miles left until my warranty expires. Frustrating it took so long, 4 inspections, countless hours of reading online, and finally having to go to a driveline shop.

    Looking forward to next week. I may start another post with my results in anyone is interested.
     
  14. Dec 2, 2011 at 5:38 PM
    #114
    bjmoose

    bjmoose Bullwinkle J. Moose

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    Somewhat weirdly - my vibes are worse since regearing from 4.10 to 4.88.

    I suppose it makes since since the driveshaft is spinning 20% faster at any given speed. Still annoying, though.
     
  15. Dec 2, 2011 at 7:42 PM
    #115
    TacomaChris

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    I recently lifted my doublecab Prerunner and have some slight vibes from 15-25 mph. I lifted it 4.85 up front by way of Camburg spindles and .85 on my 5100s. 4 inches was lifted in the rear by way of All-Pro Expo springs. I decided to take some measurements prior to diving in and buying shims or a carrier bearing drop.

    [​IMG]

    I've come to the conclusion that I can put a 3 degree shim in the rear that will bring the angle to a more optimal 3.9 degrees (6.9 - 3). This should cure my small vibes. A few other things to note:

    - My trans output to my 1st shaft is at 3.5 degrees as shown in the picture above. This angle could not change with my lift as both the transmission and carrier bearing are on fixed mounts...so this angle would stay the same post lift.

    - I could also throw in a small carrier bearing drop (washers) in a addition to the shims; however, bringing the carrier bearing down will also cause my trans to first driveshaft angle to increase while decreasing my 1st to 2nd shaft angle....by my calculations. Not sure if I want this as my factory trans to 1st shaft angle at 3.5 degrees already seems a bit high. We'll see

    All in all I'm ordering the 3 degree ToyTec shims this weekend and I'll take new measurements once installed.:D Thoughts?
     
  16. Dec 3, 2011 at 7:15 AM
    #116
    TacomaChris

    TacomaChris Well-Known Member

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    Bump...what do you experts think? Am I on the right track?
     
  17. Dec 4, 2011 at 7:58 AM
    #117
    spamy

    spamy Truck guy

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    I believe this original post was about front end vibration on 4WD trucks.
     
  18. Dec 4, 2011 at 7:16 PM
    #118
    TacomaChris

    TacomaChris Well-Known Member

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    I believe you are wrong - the original post says nothing about vibes just for 4 wheel drive trucks. Mine is lifted w/vibes so I posted
     
  19. Dec 5, 2011 at 10:11 AM
    #119
    spamy

    spamy Truck guy

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    Sorry kid. Good luck.
     
  20. Dec 7, 2011 at 8:15 AM
    #120
    KingMoo

    KingMoo Well-Known Member

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    -LIFT: 5100 bilsteins all around (set at 0.85 in front) eibach coils 2" AAL -D-RINGS -BED COVER rollaway
    I have some pretty bad vibes after my non-TSB 2"AAL install. They're anywhere around 20mph. I didn't have any vibs after lifting the front. The AAL did it.

    I didn't follow the instructions very well however. I dropped the entire rear axle and worked on both AALs at the same time...
     
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