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Unread 12-16-2012, 10:27 AM   #7546
clg82
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Ok fellas, heres an update to my clunk......it is in fact my REAR DRIVESHAFT....removed it this morning, and the clunk disappeared.....inspected all the ujoints and they are all perfectly fine.......now where do i go from here.....it seems like when i depress the clutch pedal it is removing torque from the drivetrain and when adding it again it is causing the rear driveshaft to "re-engage" so to speak and thus for causing my clunk.....any suggestions?!?

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Unread 12-16-2012, 10:37 AM   #7547
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Quote:
Originally Posted by clg82
Ok fellas, heres an update to my clunk......it is in fact my REAR DRIVESHAFT....removed it this morning, and the clunk disappeared.....inspected all the ujoints and they are all perfectly fine.......now where do i go from here.....it seems like when i depress the clutch pedal it is removing torque from the drivetrain and when adding it again it is causing the rear driveshaft to "re-engage" so to speak and thus for causing my clunk.....any suggestions?!?
With the rear drive shaft disconnected from the rear end. When you try to turn the rear end yoke by hand, how much does it turn before catching? If its approx an 1/8 or less like Art is saying, the diff may not be the problem.
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Unread 12-16-2012, 10:39 AM   #7548
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It only moves about 1/8
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Unread 12-16-2012, 10:56 AM   #7549
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Originally Posted by clg82 View Post
It only moves about 1/8
Drive it with the rear drive shaft out and in 4 wheel drive. That should pretty much eliminate everything from the transfercase back. Then repeat with the rear driveshaft in and the front one out and still in 4 wheel drive
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Unread 12-16-2012, 10:56 AM   #7550
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Originally Posted by clg82
It only moves about 1/8
That's good. When you hear this clunk, do you also feel it?
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Unread 12-16-2012, 10:58 AM   #7551
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Drive it with the rear drive shaft out and in 4 wheel drive. That should pretty much eliminate everything from the transfercase back. Then repeat with the rear driveshaft in and the front one out and still in 4 wheel drive
I drove it with the jeep in 4wd and the rear driveshaft out. And the clunk is no longer there.
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Unread 12-16-2012, 11:03 AM   #7552
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That's good. When you hear this clunk, do you also feel it?
I feel it In the shifter as well as the clutch pedal itself.
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Unread 12-16-2012, 11:08 AM   #7553
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Originally Posted by clg82 View Post
I feel it In the shifter as well as the clutch pedal itself.
Check the U joints and the centering ball of the cv joint of the rear driveshaft.
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Unread 12-16-2012, 11:09 AM   #7554
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All ujoints in the rear driveshaft are new. And looking at them in perfect working order.
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Unread 12-16-2012, 11:13 AM   #7555
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All ujoints in the rear driveshaft are new. And looking at them in perfect working order.
What about the CV joint? They normally do not clunk, also when in gear if you let of the gas kinda abruptly and stomp on it again does it clunk or jerk?
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Unread 12-16-2012, 11:25 AM   #7556
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Quote:
Originally Posted by clg82

I feel it In the shifter as well as the clutch pedal itself.
Any jerking, or learching forward when this happens? Just wondering if there's a delayed reaction in your clutch slave cylinder?
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Unread 12-16-2012, 11:26 AM   #7557
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Quote:
Originally Posted by aw12345

What about the CV joint? They normally do not clunk, also when in gear if you let of the gas kinda abruptly and stomp on it again does it clunk or jerk?
Rear bumper/swing away, last time I shook his, it was way loose.
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Unread 12-16-2012, 11:40 AM   #7558
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Originally Posted by aw12345 View Post
What about the CV joint? They normally do not clunk, also when in gear if you let of the gas kinda abruptly and stomp on it again does it clunk or jerk?
cv joint looks fine......the clunk only happens when the clutch is engaged, it doesn't feel like a control arm bushing is bad (all savvy JJ arms in the rear)
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Unread 12-16-2012, 11:41 AM   #7559
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Any jerking, or learching forward when this happens? Just wondering if there's a delayed reaction in your clutch slave cylinder?
no jerking or learching, clutch work as it's supposed too...
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Unread 12-16-2012, 11:42 AM   #7560
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Rear bumper/swing away, last time I shook his, it was way loose.
LOL i doubt the rear bumper/swing away would make a clunk thru my shifter.....let's try to get back on track ok pops
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