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4.5 inch lift problems

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Old 03-30-2018, 11:09 PM
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Default 4.5 inch lift problems

Hello i just put on my lift for my Cherokee and whenever i go over bumps i an hear a loud thud in somewhere in the rear part of my vehicle anyone else have this issue and know what’s up with it? Also how much vibration is normal when you install it?
Old 03-31-2018, 12:43 AM
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Did you install a Slip Yoke Eliminator ? if not this the one I used and I have a 4.5 lift
https://www.ironrockoffroad.com/prod...nator-kit.html
at the bottom of the page there is some good info .
Old 03-31-2018, 12:44 AM
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Is your thud when the springs compress or when they extend?
Old 03-31-2018, 05:19 AM
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Originally Posted by 4.3L XJ
Is your thud when the springs compress or when they extend?
it happens when it compresses
Old 03-31-2018, 06:45 AM
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have someone jump on the rear bumber to get the rear bouncing. grab a creeper and find the noise. let us know and take pics
Old 03-31-2018, 07:41 AM
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My guess is the shackles hitting the x member.
Old 03-31-2018, 08:28 AM
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Originally Posted by TrailerTrash
have someone jump on the rear bumber to get the rear bouncing. grab a creeper and find the noise. let us know and take pics
Noise in the back is fixed! Thanks everyone for the suggestions. The spring bolts just weren’t tight enough
Old 03-31-2018, 08:29 AM
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