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Vibration after 2" suspension installation


This is a discussion on Vibration after 2" suspension installation within the Lift Kit Discussion forums, part of the Jeep Liberty - KJ (02 to 07) category!
Hello, Did any of you got vibrations from the front propeller drive shaft die to 2" lift kit ? I ...

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  • 2 Post By rjkj2005
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  • 2 Post By Chen

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Old 08-04-2018, 02:34 PM   #1 (permalink)
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Default Vibration after 2" suspension installation

Hello,
Did any of you got vibrations from the front propeller drive shaft die to 2" lift kit ?
I have a Liberty Jeep 2003 3.7 lifted 2" , and from that point there started vibrations at 100 km / h and at 120 km / h it impossible to drive. When I remove the front drive shaft, the drive is smooth and without vibration, does anyone know or experience such a problem?
Thanks
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Old 08-04-2018, 04:59 PM   #2 (permalink)
 
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The angle of the front drive shaft doesn't change with a lift. Just time for a rebuild of the shaft.

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Old 08-05-2018, 12:02 AM   #3 (permalink)
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Parts I've replaced so far:

Front Drive shafrt
Left and right cv axle shafts
Engine mounts
Transmission mount
Left and right wheel hubs
All ball joints
Control arm
And more ��
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Old 08-05-2018, 01:40 AM   #4 (permalink)
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First of all, thanks for the quick response.
It's strange, I did a test and lowered the transfer bridge by 1 "(with spacers) and the vibration decreased by half and I wonder how it is possible that theoretically you're right but as a fact it affected?
Second, can the new shaft come out of balance?

Thanks
Chen
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Old 08-05-2018, 07:45 AM   #5 (permalink)
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Originally Posted by Chen View Post
First of all, thanks for the quick response.
It's strange, I did a test and lowered the transfer bridge by 1 "(with spacers) and the vibration decreased by half and I wonder how it is possible that theoretically you're right but as a fact it affected?
Second, can the new shaft come out of balance?

Thanks
Chen
New shaft could be out of balance or not seated properly
You did not lift it that much, 2 inches is not very much at all
I ran over 4 inches for several years and thousands of miles
Dropping the transfer case causes more issues really
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Old 08-05-2018, 04:14 PM   #6 (permalink)
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Hi,

I am embarrassed to say that I solved the problem with two aluminum bends at a dollar cost (after two years of replacing parts with hundreds of dollars and Israeli shekel in my case), I simply balanced the drive shaft with 2 aluminum bends and the problem was solved, I'll send it to balance in a professional place
Thank you very much for your willingness to help and guidance.

Chen
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