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Old 04-14-2014, 10:01 AM   #1
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Suspension/leveling kit questions

I just installed a TeraFlex leveling kit. 2" front, 1" rear. After the install, I have noticed that the right rear of the Jeep is about 1/2" lower than the other 4 sides. All spacers are installed and everything appears to be correct, but I do not understand the discrepancy. I FORGOT to measure everything before the install so I do not know if it was that way from the factory or not.

Also, after the install, the jeep does seem to be quite a bit stiffer. Meaning I feel bumps a lot easier. Now I am thinking about adding the Rancho 9000XL shocks to smooth out the ride. Am I going up the right path?

I also just lowered my factory tire PSI down a little to see if that would smooth out the ride a little....

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Old 04-14-2014, 04:04 PM   #2
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I just installed a TeraFlex leveling kit. 2" front, 1" rear. After the install, I have noticed that the right rear of the Jeep is about 1/2" lower than the other 4 sides. All spacers are installed and everything appears to be correct, but I do not understand the discrepancy. I FORGOT to measure everything before the install so I do not know if it was that way from the factory or not.

Also, after the install, the jeep does seem to be quite a bit stiffer. Meaning I feel bumps a lot easier. Now I am thinking about adding the Rancho 9000XL shocks to smooth out the ride. Am I going up the right path?

I also just lowered my factory tire PSI down a little to see if that would smooth out the ride a little....

A few things to look at. The gas tank is on the passengers side when its completely full it could be part of the issue (check & measure with tank full & empty). Is the TeraFlex rear 1"spacer popped into the frame correctly and is the spring installed correctly. Did they install and pop on the factory isolator onto the TeraFlex rear 1" spacer. The factory rear isolator is about 1/2" thick if missing this could be your 1/2"problem. Also the factory shocks on a Rubicon are pretty darn good there top line gas charged Bilstiens. Maybe the Ranchos will help maybe not.

Something does not seem right here. My 2014 Rubicon X with pretty much the same TeraFlex leveling kit spacers rides and drives great, very much like it did stock a hair stiffer in the front this is a good thing (less nose dive than stock when stopping). I also run the recommended 38 to 39 factory psi in the tires for gas mileage on the rode. Also after the TeraFlex spacers the Jeep sits and measures well. There will always be miner differences in the measurements side to side both factory and after lifting. Is the 1/2" rear tilt really noticeable to the eye ??.

Take Care,
Bill G77

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Old 04-14-2014, 04:29 PM   #3
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Hey Bill, are you tired of talking to me about this yet?????

I have checked the two sides and to the best of my ability to see under there...they both appear to have been popped in. How would I check without removing the springs??? I would assume the weight of the vehicle would pop them in anyway.... and I can tell a little bit that it has a little "lean"

The shocks thing was just grasping at straws to make it a little more comfortable around town. The adjustable settings had me intrigued.

edit, I just checked the rear spacers and they are flush with the sheet metal.....
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Old 04-14-2014, 04:33 PM   #4
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Hey Bill, are you tired of talking to me about this yet?????

I have checked the two sides and to the best of my ability to see under there...they both appear to have been popped in. How would I check without removing the springs??? I would assume the weight of the vehicle would pop them in anyway....

The shocks thing was just grasping at straws to make it a little more comfortable around town. The adjustable settings had me intrigued.

I am done Brother, but you keep having issues.

Take Care
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Old 04-15-2014, 12:39 PM   #5
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If you are really bothered by the stiff ride drop the tire pressure down to at least 30 PSI.

Try bouncing the suspension by pushing up and down on the bumpers. 1/2" is not much difference and it could be cause the full gas tank as suggested or just the way the suspension settled. One thing that can cause a lateral slant is the sway bar links being slightly short.
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Old 04-15-2014, 03:02 PM   #6
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If you are really bothered by the stiff ride drop the tire pressure down to at least 30 PSI.

Try bouncing the suspension by pushing up and down on the bumpers. 1/2" is not much difference and it could be cause the full gas tank as suggested or just the way the suspension settled. One thing that can cause a lateral slant is the sway bar links being slightly short.
Thanks for the help Bill and Spinlock, I ended up lowering the PSI in the tires down to 35 last night and it helped out a lot (they were still on the factory 39). TeraFlex would like me to loosen all of the suspension bolts and make sure there is no "pre load" on any of it. I might try that this weekend if I have an hour or so.

Thanks for the help again, this is a great forum for help!
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Old 04-15-2014, 03:35 PM   #7
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Just a note on the Rancho 9000s,, at the setting of 0. The jeep sways and rides very soft (excellent for off road crawling. setting five + or - is a very stock feel and handles well, setting 9 is very stiff and good for heavy loads. Rancho's are really nice to have if you do a variety of things with your Jeep, and in my opinion worth every penny. If you plan to keep it on the pavement 95% of the time I would save the money.
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Old 04-15-2014, 04:10 PM   #8
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Low caster also will make the steering loose and a overall rougher feel. Lower CA's or drop brackets help a lot with ride. Yes the 9000 shocks will help.

Jeep Jk, Caster and lifting.

Newby's guide to lifting your JK
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Old 04-15-2014, 04:11 PM   #9
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Fwiw .. My jeep is 1/2 side to side. Nature of the beast IMO
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Old 04-15-2014, 05:37 PM   #10
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Fwiw .. My jeep is 1/2 side to side. Nature of the beast IMO
That makes me feel a little better, thanks for the help. I guess I am reading too much into this...
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Old 04-15-2014, 06:04 PM   #11
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Not really, a lot of folks being it up.

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