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Discussion Starter · #1 ·
So I went wheeling on Monday, and I've noticed that in 4 wheel drive only, when I depress the clutch while crawling, there is a sort of slapping sound. It only slaps 2 or 3 times but it happens every time I depress the clutch. I don't hear any any noise in 2wd. All control arms are brand new Johnny joints, should not be any axle wrap. Both diffs have brand new gears and carriers. The front end is an aussie locker, but it performs flawlessly. Ratchets nice and smooth on road, works great off road. I believe it's the front driveshaft slapping when load is taken off the trans; the front shaft has a little bit of play in it. I can spin the shaft just a little bit, the rear shaft has almost no play. The t case has an SYE kit with a brand new cv shaft. Any ideas what could be causing it or if it is even an issue?
 

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Discussion Starter · #2 ·
Shameless bump. Could excessive backlash on the front gears cause this?
 

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Don't know how much help this is, but my 5sp 02 does the same thing in 4WD with stock driveshafts and gears. Always thought it was normal. My grandfather used to have an old international that did the same.

I sure hope that it's considered as such.
 

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Nothing to worry about. It's just normal slack when you depress the clutch and disengage power to the shaft. I have the same thing
 

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Discussion Starter · #5 ·
Nothing to worry about. It's just normal slack when you depress the clutch and disengage power to the shaft. I have the same thing
My concern isn't necessarily with the sound, but rather that I've had the Jeep in 4x4 many many times and only the last 2 times out wheeling has it made this sound. Has your Jeep always done it?
 

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My concern isn't necessarily with the sound, but rather that I've had the Jeep in 4x4 many many times and only the last 2 times out wheeling has it made this sound. Has your Jeep always done it?
Pretty much. I believe it has something to do with the SYE too
 

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Discussion Starter · #7 ·
Pretty much. I believe it has something to do with the SYE too
I figured it out on my Jeep anyways. I pulled the cover off to see what had play in it; I was really concerned it was the gears. Its actually the Aussie locker. Has some slack in it before it catches the carrier pins. I'm not particularly worried, just wanted to make sure something wasn't on the verge of breaking lol. Do you have lockers in your rig?
 

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I figured it out on my Jeep anyways. I pulled the cover off to see what had play in it; I was really concerned it was the gears. Its actually the Aussie locker. Has some slack in it before it catches the carrier pins. I'm not particularly worried, just wanted to make sure something wasn't on the verge of breaking lol. Do you have lockers in your rig?
Yes I do
 
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