Death Wobble almost Solved
05-27-2016, 12:49 AM
#1
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Location: Seattle Wa
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Year: 1996
Model: Cherokee
Engine: 4.0 V6
Death Wobble almost Solved
Long story short.
96 Cherokee Classic. Leaf spring helpers and Spacers on front, 1 inch total lift over stock. Death wobble started a few weeks ago. 50-55mph shakes the hell out of me and Xj.
Started with Track bar. Here is the movement I was getting with it.
https://drive.google.com/open?id=0By...NsTDdWNmk4V1dB
New track bar, Auto Zone $60, and the "Death" part of Death wobble is gone but I still feel a wobble just not as bad. Fearful that it will wear something else out and return.
Here is the movement with the NEW track bar from both sides. Turning wheel left and right while wheels on the ground.
https://drive.google.com/open?id=0By...E5WDVoN3piVHU4
https://drive.google.com/open?id=0By...d4QnN1VnBaOUhZ
This has to be the issue right? Crappy track bar and bushings? The holes are not wallowed out and they are torqued down to spec. Am I correct that there should be NO movement. At all?
I have since added a heavier duty steering stabilizer (I know this is not a fix) and steering wheel is better but I can still feel the vibrations.
I have also done an alignment in my garage.
Im losing my mind and patience with this.
Any help would be great! Thank you guys!
96 Cherokee Classic. Leaf spring helpers and Spacers on front, 1 inch total lift over stock. Death wobble started a few weeks ago. 50-55mph shakes the hell out of me and Xj.
Started with Track bar. Here is the movement I was getting with it.
https://drive.google.com/open?id=0By...NsTDdWNmk4V1dB
New track bar, Auto Zone $60, and the "Death" part of Death wobble is gone but I still feel a wobble just not as bad. Fearful that it will wear something else out and return.
Here is the movement with the NEW track bar from both sides. Turning wheel left and right while wheels on the ground.
https://drive.google.com/open?id=0By...E5WDVoN3piVHU4
https://drive.google.com/open?id=0By...d4QnN1VnBaOUhZ
This has to be the issue right? Crappy track bar and bushings? The holes are not wallowed out and they are torqued down to spec. Am I correct that there should be NO movement. At all?
I have since added a heavier duty steering stabilizer (I know this is not a fix) and steering wheel is better but I can still feel the vibrations.
I have also done an alignment in my garage.
Im losing my mind and patience with this.
Any help would be great! Thank you guys!
05-27-2016, 01:09 AM
#2
CF Veteran
Join Date: Feb 2011
Location: Long Beach, Ca
Posts: 3,500
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Year: 2000
Model: Cherokee
Engine: 4.0 I6
Long story short.
96 Cherokee Classic. Leaf spring helpers and Spacers on front, 1 inch total lift over stock. Death wobble started a few weeks ago. 50-55mph shakes the hell out of me and Xj.
Started with Track bar. Here is the movement I was getting with it.
https://drive.google.com/open?id=0By...NsTDdWNmk4V1dB
New track bar, Auto Zone $60, and the "Death" part of Death wobble is gone but I still feel a wobble just not as bad. Fearful that it will wear something else out and return.
Here is the movement with the NEW track bar from both sides. Turning wheel left and right while wheels on the ground.
https://drive.google.com/open?id=0By...E5WDVoN3piVHU4
https://drive.google.com/open?id=0By...d4QnN1VnBaOUhZ
This has to be the issue right? Crappy track bar and bushings? The holes are not wallowed out and they are torqued down to spec. Am I correct that there should be NO movement. At all?
I have since added a heavier duty steering stabilizer (I know this is not a fix) and steering wheel is better but I can still feel the vibrations.
I have also done an alignment in my garage.
Im losing my mind and patience with this.
Any help would be great! Thank you guys!
96 Cherokee Classic. Leaf spring helpers and Spacers on front, 1 inch total lift over stock. Death wobble started a few weeks ago. 50-55mph shakes the hell out of me and Xj.
Started with Track bar. Here is the movement I was getting with it.
https://drive.google.com/open?id=0By...NsTDdWNmk4V1dB
New track bar, Auto Zone $60, and the "Death" part of Death wobble is gone but I still feel a wobble just not as bad. Fearful that it will wear something else out and return.
Here is the movement with the NEW track bar from both sides. Turning wheel left and right while wheels on the ground.
https://drive.google.com/open?id=0By...E5WDVoN3piVHU4
https://drive.google.com/open?id=0By...d4QnN1VnBaOUhZ
This has to be the issue right? Crappy track bar and bushings? The holes are not wallowed out and they are torqued down to spec. Am I correct that there should be NO movement. At all?
I have since added a heavier duty steering stabilizer (I know this is not a fix) and steering wheel is better but I can still feel the vibrations.
I have also done an alignment in my garage.
Im losing my mind and patience with this.
Any help would be great! Thank you guys!
05-27-2016, 05:50 AM
#3
Beach Bum
Yea, tires are the usual culprit at those speeds. Being out of alignment will make it worse.
Anytime you lift or lower the ride height, will need to adjust the caster and toe.
http://go.jeep-xj.info/HowtoAlignment.htm
Anytime you lift or lower the ride height, will need to adjust the caster and toe.
http://go.jeep-xj.info/HowtoAlignment.htm
05-27-2016, 06:50 AM
#4
CF Veteran
Check control arm bushings. Only other parts that would allow axle movement. Mine are bad and over 50 it has a pretty good wobble but not deathly. If I roll forward or back slowly and jam the brakes I can see my axle move around a little and can see the bolts move inside the bushing. Just did uppers but lowers are still bad and wobble improves but still there. I know 100% that everything else is tight. Also running crappy near bald tire temporarily as not to wear out my good ones so I'm sure they contribute.
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