back end bumps pretty hard after new lift???
08-25-2011, 09:10 PM
#1
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Year: 1996
Model: Cherokee
Engine: 4.0 I6
back end bumps pretty hard after new lift???
just put in a R.C 4.5 i put the full leaf pack in and it seems like everytime i hit a bump the back end slams if im doing over 10 mph is this just cause the new springs are stiff
08-25-2011, 10:11 PM
#3
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Year: 2000
Model: Cherokee
My 2000 has the same issue, 6 in lift. I've found that the rear shackles are hitting the frame when the rear axle goes up.
Lay underneath and have someone jump up and down on the back.
Lay underneath and have someone jump up and down on the back.
Last edited by richierich_931; 08-25-2011 at 10:14 PM.
08-26-2011, 12:28 AM
#5
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Year: 1996
Model: Cherokee
Engine: 4.0HO
did you tighten the shackles and leaf springs with the Jeep jacked up in the air? or did you tighten them on the ground?
did you torque them to proper specs or did you tighten them crazy tight?
what do you shackle angles look like?
did you torque them to proper specs or did you tighten them crazy tight?
what do you shackle angles look like?
08-26-2011, 12:03 PM
#7
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Year: 1992
Model: Cherokee
Engine: 4.oL H.O. 784 injectors, EV6 to EV1 connectors, APN header, Dynomax exhaust
I have the 4.5" RC leaf packs in my lift. They need to be flexed, mine softened up after I went wheeling and stretched everything out.
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08-26-2011, 12:18 PM
#8
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Year: 1990
Model: Cherokee
Engine: 4.o
definately make sure the rear suspension isn't bottoming out and that there are no unusal contacts points. torque specs are correct? then if all is well it more than likely stiff and will soften eventually.
08-26-2011, 03:09 PM
#9
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Year: 1996
Model: Cherokee
Engine: 4.0 I6
i had my buddy drive around my block and i hug out the side and looked under the car i think its the shackle thing like everyone is saying bu i just cant get them any tighter i dont know what else to do
08-26-2011, 06:28 PM
#10
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Year: 2000
Model: Cherokee
Engine: 4.0
Mine does the same thing and I changed the rear bushing in the back of the leaf spring, it got better but it still does every once in a while. What it is the bushing is sliding back and fourth in the spring, I'm going to do away with the bushing and go with polyurothane.
04-05-2014, 08:40 PM
#12
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Model: Cherokee
Rear shackle are hitting frame I did a double shackle I did e250 rear leafs so stiff to begin with I used ford shackle and then the cheap shackle kit from my local parts store so has 2 swivel points now I also put cheap shackle kit upside down for flex purposes
Last edited by toastyscherokee; 04-05-2014 at 08:44 PM.
