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Unread 08-10-2013, 11:54 AM   #1
bms79
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1994 YJ Wrangler 
 
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Location: ava, il
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yj air lockers

Needing assistance. I recently purchased a yj that seems to be built right, but thre are some things that I am unfamiliar with(arb air lockers). I understand the basics of differential lockers; they're purpose, how they function, etc. Yesterday pulling out of a gravel road in a hurry when the rear tires broke loose it felt and sounded like there was slippage. The rear locker was NOT engaged. I have only messed with the buttons in my garage. Never locked it in on the trails., but it seems to fuction properly. Any help I could get on the noises would be appreciated. Not even sure if there is a problem.

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Unread 08-10-2013, 12:01 PM   #2
Anticanman
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Air lockers are easy. The best way you can test them is by using a set of jackstands or by putting it on a lift. You don't needto have the engine running to lock the differentials. Just jack it up and engage the front or rear locker and spin a tire. If both tires spin the same direction it works. Then disengage. If both spin opposite directions then it disengages correctly. They aren't automatically engaged for comfortable daily driving and saving on tire wear.
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Unread 08-10-2013, 02:45 PM   #3
bms79
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thanks for the advice. I have checked them they definately engage. Its pretty much when im horsing aroubd in 2wd, if the rear tires breakloose there is a thumping noise and a vibratin that comes from the rearend. Im afraid to jump on it to hard.. i havent jacked it up to test. I had just flipped the switch in the gravel to see if it engaged. What is the likelihood that it is not disengaging? Thanks
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Unread 08-10-2013, 06:32 PM   #4
jeepster93
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They should be completely invisible when unlocked. No noise, no clicking. In fact no noise when locked coming from the locker either.

Mine, the only noise they make is a light swoosh sound when unlocking and the air line purges. And the solenoids click when locking. The air compressor is the noisiest part. Also, if there is no air pressure, the locker will not lock, no matter the switch(unless broken).
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Unread 08-11-2013, 09:29 AM   #5
Lemoore-on
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Could it be axle wrap causing the vibe & noise?
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Unread 08-11-2013, 12:30 PM   #6
Tom95YJ
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Probably Axle Wrap
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Unread 08-11-2013, 12:43 PM   #7
Michaelgoesrawr
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Yeah. It probably is. It's trying to be resolved in his other thread.
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4x4 , air lockers , differential , noise

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