loud pop noise from the rear when I hit a bump
03-19-2009, 08:28 PM
#1
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Year: 2000
Model: Cherokee
Engine: 4.0
loud pop noise from the rear when I hit a bump
Alright, I just replaced my AAL's with new RC 4.5" full leaf packs about two weeks ago but just recently everytime I hit I good size bump or hole it makes a loud poping noise from the back. It's just one solid POP. Any clue what the heck is going on? I already recheck all bolts and everything is to specs.... This never happened with the AAL kit and before you ask no I dont have an SYE kit installed.
03-19-2009, 08:38 PM
#2
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Year: 2000
Model: Cherokee
Engine: 4.0
check the back of the shakel pocket i hade the same problem with the teraflex shackles they where hitting the back of the pocket every time i hit a bump 
03-21-2009, 04:25 AM
#6
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Year: 1999
Model: Cherokee
Engine: 4.0L I6
upper shock bolt loose?
when I changed mine recently, I snapped a bolt off (actually three total. gotta love that mount design and salt!) and had to drive to store to get a new bolt and the right size tap. it made a noise like that. sounded like someone hitting the floor with a hammer. only had one bolt holding it in and half the old one.
when I changed mine recently, I snapped a bolt off (actually three total. gotta love that mount design and salt!) and had to drive to store to get a new bolt and the right size tap. it made a noise like that. sounded like someone hitting the floor with a hammer. only had one bolt holding it in and half the old one.
03-21-2009, 06:34 AM
#7
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Year: 1990XJ/1989MJ
Model: Comanche
Engine: 4.0L Renix
Worn shock bushings? Worn sway bar bushings. Loose sway bar. I had a XJ years ago with the spring hitting the spring pocket and I redesigned the spring pocket and welded in a new deeper box. That was a lot of work but it solved the problem and it was much stronger.
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03-21-2009, 04:54 PM
#8
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Year: 1995
Model: Cherokee
Engine: 4.0L High Output
I think it could be upper shock mount noise too. I had the same problem when I lifted my XJ and wheeled it a couple times. I used the rear sway bar mounts to make my own rear bar pin eliminators. Solved the problem completely. Here;s an article on how to do your own rear upper BPEs...
http://www.lunghd.com/Tech_Articles/.../Rear_BPEs.htm
http://www.lunghd.com/Tech_Articles/.../Rear_BPEs.htm
03-21-2009, 05:39 PM
#9
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Year: 1994
Model: Cherokee
Engine: 4.0lt H.O.
the same sound came from my new shackles hitting the 2 bottom bumper bolts when the shackle moved back, i just removed the 2 bolts, ground down the extra threads that were sticking past- problem solved, no more bump sound
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