A Real Answer To The Dreaded Cj Lean, Can It Be Fixed - JeepForum.com

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post #1 of 56 Old 01-30-2009, 10:50 AM Thread Starter
baystrucksalvag
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A Real Answer To The Dreaded Cj Lean, Can It Be Fixed

ok i have read post's 'till i am dizzy, is there any REAL explanation for it, and any real fix?


hey yall' watch this!!!!!
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post #2 of 56 Old 01-30-2009, 10:53 AM
NJblackdeath4x4
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buy an xj





sry i dunno
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post #3 of 56 Old 01-30-2009, 11:05 AM Thread Starter
baystrucksalvag
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an xj if i wanted a chrysler i'd buy an new yorker

hey yall' watch this!!!!!
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post #4 of 56 Old 01-30-2009, 11:10 AM
texasdave
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Lose weight? Don't let fat chicks drive you rig? Add an extra leaf or change the springs with more leaves to make it more ridgid. You may also have body mount issues that the bushings have deterioated and replace with poly mounts.
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post #5 of 56 Old 01-30-2009, 11:12 AM
CrazyHorse6
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When I first bought my jeep the PO had a smaller tire on the drivers front, so that's what I thought was causing the lean.....but nope, after a resto and new tires it seems to be in the frame like other posters have said. Whether due to frames being stacked and tightened down on rail cars to whatever the other suggested reasons were, my drivers front is about 1 1/2" lower than the rest of the jeep. I used spacers above the body mounts to bring it up a little bit and make it less obvious, but I'd love to hear a more effective solution. Jack up the outside seat mounts a little so at least you sit straight up and down?

CJ7, 258, Dana 20 T-case, Dana 30 & AMC 20, TFI Ignition upgrade, MC 2150 carb, YJ tub mod
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post #6 of 56 Old 01-30-2009, 11:27 AM
crusty75
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For years, dealers installed shims under the HIGH side spring to fix this when a customer complained. My wife bought our jeep new in 75, and it after a while took it to the dealer with the problem.

Last summer, I replaced the worn out springs with new stock height ones, and found a 1/2" steel shim under the driver's rear spring. When I replaced with new springs, I reused the shim, just to see what would happen. I was fully prepared to remove the shim if necessary because of the new springs.

Turns out I saved myself a little work by reusing the shim. The jeep sits to within 1/8" of level with the shim installed. Good enough for me.

This tells me that whatever the cause of the problem, it is not in the spring packs, or the shim would have been unneeded with brand new springs.

So as far as I'm concerned, I don't know the cause, but the old dealer installed solution has negated the problem for 34 years now.

But what do I know? I'm old.
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post #7 of 56 Old 01-30-2009, 12:21 PM Thread Starter
baystrucksalvag
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i have heard that shimming the HIGH side would help so that dealer fix sounds reasonable

hey yall' watch this!!!!!
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post #8 of 56 Old 01-30-2009, 12:37 PM
molsenice
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sorry - I couldn't see past yer avitar
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post #9 of 56 Old 01-30-2009, 12:47 PM
CrazyHorse6
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So shimming the HIGH side allows more weight to be exerted on that side, thus bringing it down and the once low side up? I'm confused.

CJ7, 258, Dana 20 T-case, Dana 30 & AMC 20, TFI Ignition upgrade, MC 2150 carb, YJ tub mod
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post #10 of 56 Old 01-30-2009, 01:14 PM
1984CJ
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No. Shimming the spring on the high side lowers the high side to help level the frame.
It does this by moving the spring plate away(down) from the axle tube.

84 CJ7 258, T5, D300, AMC 20, D30 EZ lockers F&R
33" TSL, 2.5"BDS lift, .5" shackle lift 1" body lift
Quote:
Originally Posted by ftdranger
You guys on the CJ tech page are a little to tech for me. Must be the leaf springs.
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post #11 of 56 Old 01-30-2009, 01:53 PM
80cj
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Quote:
Originally Posted by molsenice View Post
sorry - I couldn't see past yer avitar
Wish he'd post an enlargment of it (her).

Actually, the Jeep lean is very common. Probably more Jeeps leaning than level ones. How bad is she leaning? Could it be because she's a might top heavy?

Last edited by 80cj; 01-30-2009 at 08:44 PM.
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post #12 of 56 Old 01-30-2009, 04:21 PM
CrazyHorse6
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Quote:
Originally Posted by 1984CJ View Post
No. Shimming the spring on the high side lowers the high side to help level the frame.
It does this by moving the spring plate away(down) from the axle tube.
AHHHHH. I got it now. I was picturing a "spring over" setup in my head. Axle stays the same height, spring plate goes down, therefore frame goes down. I'm an idiot. Thanks

CJ7, 258, Dana 20 T-case, Dana 30 & AMC 20, TFI Ignition upgrade, MC 2150 carb, YJ tub mod
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post #13 of 56 Old 01-30-2009, 04:23 PM
Gunga
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I had one of my front springs re-arched to even mine out. $50.00 deal.

'78 CJ-7, 401 w/ headers, T-18, 35" muds, 4" lift, MSD ignition box, locked diffs.
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post #14 of 56 Old 01-30-2009, 05:39 PM
80cj
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Quote:
Originally Posted by Gunga View Post
I had one of my front springs re-arched to even mine out. $50.00 deal.
I had that done to mine and in a few months it was back to leaning again. Since then, I don't let it bother me. Leans toward the driver's side about 3/4".
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post #15 of 56 Old 01-30-2009, 07:06 PM
Tractor Boy
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I had a Rubicon Express 2.5" lift on mine and that cured the gangsta lean on mine.
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