How to fix my steering after stretching my front axle forward, SUA leafs - JeepForum.com

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post #1 of 35 Old 07-07-2013, 09:17 PM Thread Starter
matrix311
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How to fix my steering after stretching my front axle forward, SUA leafs

As the title says my steering is messed up from stretching my front axle forward roughly 2". A few weeks ago I had a new set of Deaver leaf springs installed on my YJ and the new leafs stretched my front axle forward a few inches. With the axle moving forward it's messed up my steering. What I mean by that is it's really really loose. For example lets say i'm driving down the road and the wheel is perfectly centered, if I were to turn the wheel left or right say 1/4 turn the tires do not move and the jeep continues down a straight line. Once the wheel is turned 1/2+ then the tires start to move. It's not so much a problem on the streets but I noticed it being a problem when out on the trails. I would turn my wheel to guide myself through an obstacle and the tires would not turn on the spot like they used to, then all of a sudden after coming unbound the wheels would pop into place where the steering wheel is.

My jeep is leaf spring under. I have LetzRoll's HD steering system installed. What can I do to resolve my steering and tighten it back up to how it was before the axle was pushed forward? Do I need a longer or shorter pitman arm? Do I need to adjust my draglink?

FYI I do not have the YJ steering box installed, I have a 1999 Dodge Durango 4x4 v8 steering gearbox installed which is a common mod folks with YJ's do to beef up their steering power instead of going hydro etc.

Any help is appreciated.

Eric


Eric - *'92 White YJ, 4.5" custom Deaver springs, 35" MTRs, Tera-Low 4:1, CAI, Rear 8.8, Chromo D30, 4.88s, locked front/rear, full cage and front/rear tube fenders.
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post #2 of 35 Old 07-08-2013, 12:58 AM
fratis
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2" or 4" forward?

What all was exactly was done when stretching?

How did you not have to move the steering gear box?

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post #3 of 35 Old 07-08-2013, 01:31 AM Thread Starter
matrix311
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Quote:
Originally Posted by fratis View Post
2" or 4" forward?

What all was exactly was done when stretching?

How did you not have to move the steering gear box?
Roughly 2" forward. Not exactly sure about the gearbox. I did not do the suspension work, I had a local offroad shop do it for me. Everything reaches properly. The steering is just a little loose and not as quick as it was before the new suspension was installed.

Here are some photos, how does the steering geometry look? Should the drag link be higher or lower or in front of the tie rod more?







Eric - *'92 White YJ, 4.5" custom Deaver springs, 35" MTRs, Tera-Low 4:1, CAI, Rear 8.8, Chromo D30, 4.88s, locked front/rear, full cage and front/rear tube fenders.
*'08 Silver Rubicon JKU 2.5" lift, 5.13's and 35's
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post #4 of 35 Old 07-08-2013, 07:32 AM
cojab
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Was the steering gearbox replaced before the stretch or during?
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post #5 of 35 Old 07-08-2013, 10:01 AM Thread Starter
matrix311
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Quote:
Originally Posted by cojab View Post
Was the steering gearbox replaced before the stretch or during?
The gearbox was replaced last year. Do I need to move the gearbox forward? I believe MORE sells a gearbox relocation kit.

Eric - *'92 White YJ, 4.5" custom Deaver springs, 35" MTRs, Tera-Low 4:1, CAI, Rear 8.8, Chromo D30, 4.88s, locked front/rear, full cage and front/rear tube fenders.
*'08 Silver Rubicon JKU 2.5" lift, 5.13's and 35's
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post #6 of 35 Old 07-08-2013, 10:13 AM
jbolty
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Did this 4x4 shop do work based on your instructions, or did you just tell them to stretch it and they designed it?

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post #7 of 35 Old 07-08-2013, 10:25 AM Thread Starter
matrix311
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Quote:
Originally Posted by jbolty View Post
Did this 4x4 shop do work based on your instructions, or did you just tell them to stretch it and they designed it?
We actually had custom Deaver springs ordered and manufactured and I planned on keeping my wheelbase stock with the axle locations in stock position. Deaver made my front spring 6" longer as we told them to but they put the axle pin location in the wrong spot causing my front axle to move forward a few inches. My rear axle is fine, it's also 6" longer but the axle location is in the stock position. All we wanted deaver to do was extend the lead side or the frame mounted side by 6". So either there was some type of miss communication or they accidentally built them wrong. Either way we got the spring mounted and its working fine, my only issue is the sloppy steering now.

I wonder if I need to order this bracket from MORE. It pushes the gearbox forward 1" which may or may not be enough. Is there a way to measure how far forward my gearbox needs to go? I would hate to buy this and it doesn't fully solve my problem.

http://www.mountainoffroad.com/_e/St...ox_Bracket.htm

Eric - *'92 White YJ, 4.5" custom Deaver springs, 35" MTRs, Tera-Low 4:1, CAI, Rear 8.8, Chromo D30, 4.88s, locked front/rear, full cage and front/rear tube fenders.
*'08 Silver Rubicon JKU 2.5" lift, 5.13's and 35's
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post #8 of 35 Old 07-08-2013, 10:49 AM
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have Deaver redo the springs if they messed them up

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post #9 of 35 Old 07-08-2013, 11:06 AM Thread Starter
matrix311
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Quote:
Originally Posted by crackedcornish View Post
have Deaver redo the springs if they messed them up
probably to late now since they are already installed. Having the 2" stretch was something I was thinking about doing but decided to stay with stock wheel base. Now that i'm stretched 2 inches i'll just keep it this way. I do lots of rock crawling here in AZ so the slightly added wheelbase will help. I'll work on fixing the steering and then enjoy it. Right now it really flex's great and the ride quality is unbelievable. Plus it took Deaver 6 weeks to make these springs and I really do not want to wait another 6 weeks for a new set to be made and shipped out. If I can't figure out my steering then I will see about returning but i'm sure the steering can be fixed. It's not terrible its just annoying losing the turning radius I had.

Eric - *'92 White YJ, 4.5" custom Deaver springs, 35" MTRs, Tera-Low 4:1, CAI, Rear 8.8, Chromo D30, 4.88s, locked front/rear, full cage and front/rear tube fenders.
*'08 Silver Rubicon JKU 2.5" lift, 5.13's and 35's
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post #10 of 35 Old 07-08-2013, 12:21 PM
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If the front end was pushed forward far enough then your turning ratio will most likely change as well since the sweep is pushed back behind center. I would think that pushing your steering box forward an inch would help but I have no idea if it's enough to put you back to where it was before the deaver springs. A shorter pitman may also help..
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post #11 of 35 Old 07-08-2013, 01:19 PM
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My axle is stretched 3 inches forward and I didn't relocate my steering box. I would have a friend turn the steering wheel while you look at your steering and see where the movement stops if it stops at the box you can tighten it up sometimes they can work loose. Other than the box you have tie rod ends and ball joints also make sure the steering box itself is bolted tight to the frame

88 YJ- 4.7l stroker, AW4, SOA, 8.8, hp D30 powertrax no slip,3" front stretch with waggy springs, stock replacement springs in the rear, 35/12.5 r15 goodyear kevlars

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post #12 of 35 Old 07-08-2013, 10:05 PM
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Quote:
Originally Posted by youngjeepr View Post
My axle is stretched 3 inches forward and I didn't relocate my steering box. I would have a friend turn the steering wheel while you look at your steering and see where the movement stops if it stops at the box you can tighten it up sometimes they can work loose. Other than the box you have tie rod ends and ball joints also make sure the steering box itself is bolted tight to the frame
You have any shots of your steering? If I moved mine forward much past the 1" I have it I'd have issues. Good points on having someone turn the steering while he looks at it to see what's going on.
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post #13 of 35 Old 07-08-2013, 10:15 PM
rambo3489
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I moved mine forward 3" as well. Stock box. No real steering issues. Running into clearance problems with the Waggy pitman arm and the radiator hose / differential tho.

I also built my steering. So maybe that helps

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post #14 of 35 Old 07-08-2013, 10:15 PM
youngjeepr
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I'll try to Remember to take some pictures tomorrow. I have the JB cross over bracket but other than that it's the stock configuration

88 YJ- 4.7l stroker, AW4, SOA, 8.8, hp D30 powertrax no slip,3" front stretch with waggy springs, stock replacement springs in the rear, 35/12.5 r15 goodyear kevlars

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post #15 of 35 Old 07-08-2013, 10:22 PM
youngjeepr
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This shows the basic angles I'll get better ones tomorrow.


88 YJ- 4.7l stroker, AW4, SOA, 8.8, hp D30 powertrax no slip,3" front stretch with waggy springs, stock replacement springs in the rear, 35/12.5 r15 goodyear kevlars

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