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Old 03-14-2011, 10:43 PM   #1
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got my lift, got a vibration...

I read that I would probably need a YSE kit and drive-line installed if I go with a 4" lift...I got the lift installed by Les Schwab and a huge vibration problem... had a shop install a YSE kit and drive-line...same vibration...I took home my jeep, crawled underneath and found that my U-bolts weren't torqued down, and the bottom bolt on my drivers side shock wasn't even tight, not just a little, but the nut was literally hanging on by a tread. ( what did I learn, Les Schwab sucks!)
So back to my Vibration, tomorrow I plan to stop by the other tire shop in town and get my wheels balanced and have the air pressure checked... anything else I should check for?

My jeeps stats:
33x12.5r15
4" procomp lift with shocks
YSE and matching driveline
Thanks for looking

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Old 03-14-2011, 11:01 PM   #2
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U must have paid through the nose to have LS do a lift. I never let them touch my vehicles... worse kind of highway robbery out their. Dont get me wrong, I know some people might not have the time, tools, or know how to do a lift, but why LS? I'd rather have the dealer do it... might save some cash.

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Old 03-14-2011, 11:09 PM   #3
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subzero, if I only knew what I know now...
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Old 03-14-2011, 11:31 PM   #4
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The angle for your driveline may be off. When you type YSE that's slip yoke eliminator on it with a cv dirveline correct? Here is a diagram for the proper angle to have with a sye and cv driveline, it should be 2 degrees below the tc yoke.
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Old 03-15-2011, 01:16 AM   #5
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Transfer Case Drop!!!

Do one anyway and that doesn't work go from there. Its better to be safe then sorry
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Old 03-15-2011, 01:28 AM   #6
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Quote:
Originally Posted by Jeep-YJ-91
Transfer Case Drop!!!

Do one anyway and that doesn't work go from there. Its better to be safe then sorry
You shouldn't need a tc drop with a sye cv drive line and the correct pinion angle. Unless I read it wrong and he doesn't have an sye and a cv drive line. Then I would reccomend a sye and tom woods cv drive line or a tc drop kit.
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Old 03-15-2011, 02:33 AM   #7
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My 92 has no TC drop.. I've got the SYE and Tom Woods drive line.. no vibrations! I didnt install it, one of the POs did. Mines lifted about 6 inches too.
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Old 03-15-2011, 02:48 AM   #8
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Quote:
Originally Posted by darkproximity
My 92 has no TC drop.. I've got the SYE and Tom Woods drive line.. no vibrations! I didnt install it, one of the POs did. Mines lifted about 6 inches too.
Will u do me a favor and post a pic when u can of your driveline angle I just want to see what it looks like with 6"s of lift
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Old 03-15-2011, 02:54 AM   #9
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No problem, I'll take one in the morning. You just want the rear right?
I'm not sure if its 6 inches it might actually be a little more. Its got a spring over PO said was about 5 inches, plus an inch from the shackles. I'll take pics of that as well, for now heres a pic from the side from a few days ago.



Edit:

So i got a wild hair up my rear and went outside and took this:


Might also mention its got a ford 8.8 rear too
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Old 03-15-2011, 02:58 AM   #10
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Cool thank you! Yeah just the rear will be sufficient. Good looking yj btw.
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Old 03-15-2011, 03:04 AM   #11
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Thanks! also updated my post with the requested pic.
Big Red got a little muddy today
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Old 03-15-2011, 03:20 AM   #12
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Did that pic work for you?
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Old 03-15-2011, 04:31 AM   #13
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Awesome! That pic was perfect. Thank you
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Old 03-15-2011, 08:54 PM   #14
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yeah, I have a tc drop, came with the lift... I just had the SYE and a CV drive-line installed yesterday... friday I am having the rear axle shimmed to get the right pinion angle, I hope this will be the end of the vibration!
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Old 03-15-2011, 10:26 PM   #15
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Quote:
Originally Posted by Natel37 View Post
yeah, I have a tc drop, came with the lift... I just had the SYE and a CV drive-line installed yesterday... friday I am having the rear axle shimmed to get the right pinion angle, I hope this will be the end of the vibration!
me too let us know what happens
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Old 03-17-2011, 10:21 PM   #16
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YEA HAAAA! I have no vibrations!!!! I can hear the tires against the pavement! I am so relieved! Thanks for all the advise and other info.
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Old 03-17-2011, 10:26 PM   #17
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Good to hear that enjoy your new found vibration free height!!!
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Old 03-17-2011, 10:38 PM   #18
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Good to hear man! Enjoy driving

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