HemiTruckClub.com HTC.com Forum Forums 4X4 World Lift kits/Suspension mods Vibration After Torsion Bar Crank
HTC.com Forum Forums 4X4 World Lift kits/Suspension mods Vibration After Torsion Bar CrankModerators: Freeze
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I did the torsion bar crank today. It took a couple tries before I got it to just the right height. With about three threads showing, it's 1/2" lower in the front (about 1 1/2" of lift overall). Problem is, now it seems to have a slight vibration above ~45 MPH and a more significant vibration under moderate to hard acceleration. I planned to go get it aligned tomorrow, but don't want to waste the money just to have to get it done again if that doesn't fix it. Thoughts?
- Glynn This message has been edited. Last edited by: TatesRUs, '05 1500 Laramie Crew Cab 4x4 Flame Red 5.7L Hemi AWD SuperChips 3518 |
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"Jason" |
Roughly how many turns did you crank them,.? Is this vibration only in 2wd,.. or only in 4wd?
2006 1500 QC TRX4 Offroad edition, factory tow package with 3.92's My mods are located on or in my truck,.. I have come to the conclusion they work better there than posted on here. Zeitgeist:Addendum   |
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They were close to all the way loose when I started. I ended up with about 2 1/2 - 3 threads left showing, so quite a few turns. It's AWD, so some power always goes to the front. So, do I need to back 'em off some?
- Glynn '05 1500 Laramie Crew Cab 4x4 Flame Red 5.7L Hemi AWD SuperChips 3518 |
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"Jason" |
Same problem is happening with the 2006+ AWD,.. your cv angles are too great. 2006 1500 QC TRX4 Offroad edition, factory tow package with 3.92's My mods are located on or in my truck,.. I have come to the conclusion they work better there than posted on here. Zeitgeist:Addendum |
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Wow, doesn't seem like 2 inches should make that much difference. So, my eventual plans for a 3-inch lift kit won't work because of the AWD?
 '05 1500 Laramie Crew Cab 4x4 Flame Red 5.7L Hemi AWD SuperChips 3518 |
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"Dan" Former Hemi Truck Owner  |
sorry to hear, hope all works out well for you!
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You need to get an alignment to adjust the toe angle of your tires. That should be what is causing the vibration.
2007 QCSB SLT HEMI RAM 1500 4X4 |
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That's what I was hoping, but I hate to get that done if it's not the problem.
'05 1500 Laramie Crew Cab 4x4 Flame Red 5.7L Hemi AWD SuperChips 3518 |
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"Jason" |
I wouldn't think so,.. I have seen 2 trucks here where I live both AWD,.. 2005 and an 2006,.. both had alignments and both were leveled at front,.. one with bars,.. the other with spacers,.. Both still vibrated after alignments. To settle if an alignment would help it,.. just get it done. Maybe it will, maybe not,.. at least then you will know if there is a solution. I know money doesn't gorw on trees,.. but I know if I was in your situation it would eat me to death not knowing. 2006 1500 QC TRX4 Offroad edition, factory tow package with 3.92's My mods are located on or in my truck,.. I have come to the conclusion they work better there than posted on here. Zeitgeist:Addendum |
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Off-Road Suspension Consultant  |
Yep. '03 Black SLT QC SWB 4x4 Off-Road -- 35 x 12.50 Dick Cepek FCII's on 17 x 9 Centerline Dorsals -- AirAid Intake System w/ AMSOIL synthetic filter -- Comp 260 cam -- Manley springs, retainers, & pushrods -- JBA Cat-4ward mids -- Borla cat-back exhaust --Superchips -- Mark VIII e-fan w/ FK60 -- 8.2mm Taylors-- 180 deg t-stat -- AMSOIL -- Torsion bar lift (re-keyed) -- Bilstein 5125 shocks (BE5-6140-T5 front / BE5-6248-H5 rear) -- Hella Black Magics -- bunch of other stuff Coming soon: Rough Country X-Lift up front, Deaver progressive leaf springs in back, and longer Bilsteins all around. "An appeaser is one who feeds a crocodile, hoping it will eat him last." - Sir Winston Churchill HTC Titan killer    |
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So Freeze, sounds like you can't lift AWD models?
 Wouldn't the same CV angle problem be present in all 4x4 models when 4WD is engaged?'05 1500 Laramie Crew Cab 4x4 Flame Red 5.7L Hemi AWD SuperChips 3518 |
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Off-Road Suspension Consultant |
Depends on how acute the CV angle is. I thought I had CV issues until I rotated my tires and had them properly balanced on a GSP 9700. Front end shake is now 99% gone. However, if you're still running the same pre-lift wheel/tire combo, you can pretty much bank on the CV issue.
On the AWD lift issue, the main problem I've heard about lies with the transfer case and front differential. I don't know of anyone who makes the bracket needed to re-index that specific t-fer case. Of course, my brain isn't working too well right now due to a lack of coffee, so I could be wrong.  '03 Black SLT QC SWB 4x4 Off-Road -- 35 x 12.50 Dick Cepek FCII's on 17 x 9 Centerline Dorsals -- AirAid Intake System w/ AMSOIL synthetic filter -- Comp 260 cam -- Manley springs, retainers, & pushrods -- JBA Cat-4ward mids -- Borla cat-back exhaust --Superchips -- Mark VIII e-fan w/ FK60 -- 8.2mm Taylors-- 180 deg t-stat -- AMSOIL -- Torsion bar lift (re-keyed) -- Bilstein 5125 shocks (BE5-6140-T5 front / BE5-6248-H5 rear) -- Hella Black Magics -- bunch of other stuff Coming soon: Rough Country X-Lift up front, Deaver progressive leaf springs in back, and longer Bilsteins all around. "An appeaser is one who feeds a crocodile, hoping it will eat him last." - Sir Winston Churchill HTC Titan killer |
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Thanks for all the input here. I just got back from being deployed so I haven't had a chance to look for quite a while. I really would like to at least level my truck - does anyone have any successful experience with the AWDs? Thanks!
'05 1500 Laramie Crew Cab 4x4 Flame Red 5.7L Hemi AWD SuperChips 3518 |
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HemiTruckClub.com HTC.com Forum Forums 4X4 World Lift kits/Suspension mods Vibration After Torsion Bar Crank
HTC.com Forum Forums 4X4 World Lift kits/Suspension mods Vibration After Torsion Bar CrankCopyright HemiTruckClub.com 2008