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Old 05-15-2019, 10:05 AM
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Question New Parts, New Sound, Is This Normal

Newly-installed ARB air locker in new axle housing with new axle shafts installed. Maybe just being paranoid. Is this sound normal?



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Old 05-15-2019, 10:30 AM   #2
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Mine sure doesnt sound like that.


Are your ujoints seated all the way in the new axle shafts?

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Old 05-15-2019, 10:34 AM
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Mine sure doesnt sound like that.


Are your ujoints seated all the way in the new axle shafts?
Ujoints all seem fine.
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Old 05-15-2019, 10:42 AM   #4
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I would DEFINITELY not drive that until you find what that noise is and fix it. It is not normal, does NOT SOUND GOOD and I can almost guarantee you, SOMETHING IS BEING EATEN UP. Did you do the work yourself or have a shop do it. If a shop, have it flat bedded back to them. Do not drive it. That ain't good!!!!
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Old 05-15-2019, 10:56 AM   #5
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You should be able to move your fingers around on the parts as you turn it to find/feel where the noise is coming from. Pumpkin, unit bearing, etc. Maybe the u-joint is rubbing the the back of the hub.
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Old 05-15-2019, 11:10 AM   #6
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Sounds like the spider gears meshing together. Doesn't seem like a big deal to me. How does it sound when you rotate both tires the same direction? Do you have gear oil in there already? Have you driven it at all for some initial break-in?
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Old 05-15-2019, 11:26 AM
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Sounds like the spider gears meshing together. Doesn't seem like a big deal to me. How does it sound when you rotate both tires the same direction? Do you have gear oil in there already? Have you driven it at all for some initial break-in?
Checked the unit bearings and the ujoints. They all seem fine. Pulled the diff cover to investigate further. Sound is definitely coming from spider gears or at least in that direct area. I do not get the sound when just rotating the yolk by itself, only when the axle shafts are turning. I have not yet driven the Jeep, its still up on jack stands as part of the install.

I called the company that build the axle and they feel its just the locker partly engaged and want me to engage and disengage the locker a few times thinking its just not disengaged all the way. Guess I'm wiring up the air pump sooner than later and seeing where that leaves me.



edit: if anyone is in north east ohio wants to lend a hand this afternoon I'll buy the beer.
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Old 05-15-2019, 01:26 PM   #8
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I'd drive it a bit, at least lightly, and see how it goes. It isn't going to destroy itself, and even if it did, ARB would get you another one.

I have an ARB in my D35, and it's been just great for over a decade. And, I get some spider gear sound when I do what you did.

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Old 05-20-2019, 08:41 AM
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I'd drive it a bit, at least lightly, and see how it goes.
The manufacturer suggested the same thing so I finished up the install did just that. The clicking sound is now gone and everything seems to be functioning correctly.

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