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Old 12-23-2015, 02:54 PM
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Jeep lean

Started noticing that my jeep leans towards the passenger side almost 3/4" difference from driver side. I thought maybe the dual battery kit but the rear is effected more then the front. Measurement was takin with less then 1/4 tank of gas. Anybody else have this issue? I have the RK 3.5"

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Old 12-23-2015, 05:03 PM   #2
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Very common, know as the "JK Lean". Numerous theories, generally accepted causes are the weight of the fuel tank and spare tire hinges being on the passenger side. I balanced mine by adding an extra 1/2 shim to the top of the rear spring.

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Old 12-23-2015, 05:16 PM   #3
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My '15 JKUR with RK 3.5X lift was 1" lower on the passenger side when I first installed the lift. It's less then 1/2" lower on the passenger side now with around 1000 miles on the lift. Fuel level hasn't affected my height either. I have Teraflex 1/2" spacers to put on the right side but it does seem to be leveling out on its own.
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Old 12-23-2015, 05:43 PM   #4
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Quote:
Originally Posted by SoK66 View Post
Very common, know as the "JK Lean". Numerous theories, generally accepted causes are the weight of the fuel tank and spare tire hinges being on the passenger side. I balanced mine by adding an extra 1/2 shim to the top of the rear spring.
Spare tire mount on passenger side would push down on drivers side. Moment arm is towards drivers side.
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Old 12-23-2015, 05:56 PM   #5
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My measurements were the same with and without the factory spare tire with the RK springs. I have my factory spare and factory carrier removed for now. I don't want to hang my heavy 37" Toyo MT on the rear door, an Ace rear bumper/carrier will be ordered after the fun Christmas expenses are over with.
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Old 12-23-2015, 05:58 PM   #6
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mine leans on the drivers side
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Old 12-23-2015, 06:37 PM   #7
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It is common if it bothers you add a spacer on the passenger side. I have a 1/2" spacer on my front pass side and mine is even side to side now. AEV adds spacers on one side on their sema rigs etc.
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Old 12-24-2015, 11:05 PM
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Got that jeep swagger lol. I've had the RK springs since summer so I'm assuming the added weight from dual battery, compressor, sub...didn't really help the lean as the springs settled. I'll be buying a set of spacers, now that I notice it my OCD is kicking in. Thanks guys for the input

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