rear leaf spring shift |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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Posted: 23 May 2015 at 9:04pm |
I was driving in the woods on non-level ground when my rear leaf springs shifted (to drivers direction) and slipped/slid off their perch.
So far I've not been able to put them back on. It looks like the rear needs to shift 2 to 3" in the passenger direction to place them back on their perch. I have jacked the body up, the leaf spring, and the frame trying to put the spings back on. What am I not doing right? Thanks` Edited by dodjh - 23 May 2015 at 9:07pm |
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"COURAGE IS BEING SCARED TO DEATH
-BUT SADDLING UP ANYWAY" JOHN WAYNE |
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tamnalan
Member Joined: 08 Oct. 2013 Location: Port Orford, OR Status: Offline Points: 986 |
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Do you mean that the rear axle shifted? The spring pack should have a small bolt in the center that holds the leaves together. The head of this bolt should fit into a hole in the spring perch on the axle. I think the factory bolts are actually a rounded head screw, slotted for a straight blade screwdriver. I usually make my own spring pack bolts by grinding the head of a grade 5 bolt of proper length. It's either a 1/4" or 5/16" bolt, I think.
I would raise the back of the jeep and support the frame on jackstands. I would then loosen the u-bolts holding the axle to the springs to the point that I could check things out. It's possible that your driveshaft is somehow binding and preventing proper axle movement as you try to reposition it.
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Alan Johnson
1942 MB - "TBD" 1943 MB - "Lt Bob" 1950 cj3a M-100 x2 teardrop camper: https://forums.g503.com/viewtopic.php?f=141&t=201740 |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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I don't think the axle has shifted...just the spring pack from where it attaches to the frame.
I will jack up the rear of the jeep and put jack stands under it to try and determine what has happened. Sure hope the rear drive shaft isn't in a bind. Thanks |
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"COURAGE IS BEING SCARED TO DEATH
-BUT SADDLING UP ANYWAY" JOHN WAYNE |
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Mike S
Member Joined: 20 May 2006 Location: West Coast Status: Offline Points: 2318 |
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I think you will find it much easier if you remove the axle then remove spring bolts from the rear spring hangars. Remove rear drive shaft at the differential. Locate the axle and align spring center bolts with axle spring mounts. Install U bolts but do not do final torque yet. Lower frame/body and re-install spring bolts. Check alignment and tighten everything up.
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'47 CJ2A -- #114542
Warn FF D41 rear Lock-Right locker 11" drum brakes Dual master cylinder T90C Transmission 16 X 6 Jeep truck wheels Cooper STT Pro tires |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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...Okay, I will try that but so far all my efforts have failed.
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"COURAGE IS BEING SCARED TO DEATH
-BUT SADDLING UP ANYWAY" JOHN WAYNE |
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7923 |
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A photo would be priceless.
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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"COURAGE IS BEING SCARED TO DEATH
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Speedy
Member Joined: 07 Apr. 2010 Location: Toronto Canada Status: Offline Points: 531 |
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you should replace that main spring its broke.
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- Mike
47 CJ2A - Warn OD, Ramsey PT1-J/Koenig 100,Arctic top,Dana 44 30 spline full float with disc's,Dana 30 with discs, 2.5 lift, Saginaw power steering, dual master cylinder |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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Plus......
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"COURAGE IS BEING SCARED TO DEATH
-BUT SADDLING UP ANYWAY" JOHN WAYNE |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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Edited by dodjh - 24 May 2015 at 6:12pm |
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"COURAGE IS BEING SCARED TO DEATH
-BUT SADDLING UP ANYWAY" JOHN WAYNE |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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"COURAGE IS BEING SCARED TO DEATH
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Mike S
Member Joined: 20 May 2006 Location: West Coast Status: Offline Points: 2318 |
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New springs, bushings, and seals needed. Not a good idea to replace one with out replacing the other side at the same time.
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'47 CJ2A -- #114542
Warn FF D41 rear Lock-Right locker 11" drum brakes Dual master cylinder T90C Transmission 16 X 6 Jeep truck wheels Cooper STT Pro tires |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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Mike S, should I replace the rear shocks as well?
Thanks |
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"COURAGE IS BEING SCARED TO DEATH
-BUT SADDLING UP ANYWAY" JOHN WAYNE |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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Mike S...any idea of cost between having a spring shop make them or buying from Walcks or Peter DeBella?
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"COURAGE IS BEING SCARED TO DEATH
-BUT SADDLING UP ANYWAY" JOHN WAYNE |
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tamnalan
Member Joined: 08 Oct. 2013 Location: Port Orford, OR Status: Offline Points: 986 |
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You can buy a replacement spring pack - I think they run about $100 each, shipped. I've never had a spring shop make them so I don't know that cost. The replacement spring packs will come with a rubber bushing on one end that you'll need to remove - Ron Fitzpatrick suggests using a chisel to open the spring eye just slightly, and the rubber bushing should slide out. I would replace both springs.
Us WWII jeep guys try to rebuild old spring packs because they look a little different than the post-war springs, but I would just get the replacements for a CJ-2A.
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Alan Johnson
1942 MB - "TBD" 1943 MB - "Lt Bob" 1950 cj3a M-100 x2 teardrop camper: https://forums.g503.com/viewtopic.php?f=141&t=201740 |
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dodjh
Member Joined: 18 July 2012 Location: ms Status: Offline Points: 1325 |
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Thanks tamnian for the feed back. If I remove the rubber bushing, what do I use for a bushing?
Edited by dodjh - 24 May 2015 at 9:43pm |
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"COURAGE IS BEING SCARED TO DEATH
-BUT SADDLING UP ANYWAY" JOHN WAYNE |
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tamnalan
Member Joined: 08 Oct. 2013 Location: Port Orford, OR Status: Offline Points: 986 |
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Welcome! It's a bronze bushing. if you get the springs from Walcks or Peter - just call and tell them what you're doing - they will sell the bushings too. The bushings are cheap... a couple of bucks each. The greaseable bolt fastening the spring's front eye to the frame is likely worn - I would order them too. The rear c-shackles are probably ok but the parts that thread the shackles into the spring eyes and the frame may be worn. I would take it all apart before you call, so you'll know what you need.
The front springs are probably in a similar state... I hate to ask... "just empty every pocket"...
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Alan Johnson
1942 MB - "TBD" 1943 MB - "Lt Bob" 1950 cj3a M-100 x2 teardrop camper: https://forums.g503.com/viewtopic.php?f=141&t=201740 |
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Mike S
Member Joined: 20 May 2006 Location: West Coast Status: Offline Points: 2318 |
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The rubber bushing should be pressed out of the replacement spring eye. Then You insert the correct bronze bushing, which SCREWS into the spring holder over the C shackle. Look at the FSM (manual) for details - it is not hard to do, but there is a procedure you need to follow.
S, when you order the spring packs be sure to order the bronze bushings and seals as well. Be aware that the rear PS (I think it's the rear PS) bushing is probably reverse threaded. So when inserted you tighten it counter clockwise. It's a Jeep thing, don't ask me why. Replace shocks if needed. If the shocks are OK, re-use them.
Edited by Mike S - 24 May 2015 at 11:01pm |
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'47 CJ2A -- #114542
Warn FF D41 rear Lock-Right locker 11" drum brakes Dual master cylinder T90C Transmission 16 X 6 Jeep truck wheels Cooper STT Pro tires |
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