rear driveshaft out of balance?
03-22-2021, 05:00 PM
#1
Junior Member
Thread Starter
rear driveshaft out of balance?
i took my rear driveshaft off of my 94 XJ to change the ujoints, and i marked the ends so i could put it back together the same way but i ****ing dropped it at one point and totally lost my mating mark. so im not sure if i put it in the EXACT way it came out. i've read conflicting info on this, but is my DS unbalanced now?
03-22-2021, 05:25 PM
#2
CF Veteran
Just put it together, put it in and see. You want the yoke in the same position on each end
03-22-2021, 06:58 PM
#4
CF Veteran
That would depend on how much it is out of balance. Drive it some more and see what you think
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ijeeep (03-23-2021)
03-22-2021, 07:10 PM
#5
CF Veteran
If your still not sure after driving it a bit remove the rear driveshaft. Put it in 4H and drive it. Definitely proved I had a driveshaft angle issue. No vibrations w/o the rear shaft.
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ijeeep (03-23-2021)
03-23-2021, 06:52 AM
#6
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Year: 96
Model: Cherokee (XJ)
Engine: 4.0
I believe the FSM shows a procedure of attaching a hose clamp to each end of the driveshaft, and rotating them gradually to see if that effects a change in vibration
The weight of the screw section apparently must make a difference
If you are concerned, and dont wish to faff about, one can have ones driveshaft balanced by a pro for not many $
The weight of the screw section apparently must make a difference
If you are concerned, and dont wish to faff about, one can have ones driveshaft balanced by a pro for not many $
Last edited by awg; 03-23-2021 at 06:54 AM.
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ijeeep (03-23-2021)
03-26-2021, 07:50 PM
#7
Junior Member
Thread Starter
ok i'm confused now... I took a picture beforehand and i can see that when i put it back together with the new u-joint, i flipped the yoke going into the transfer case 180 degrees. HOWEVER, the yokes on both sides are 'aligned' now (that is, oriented the same way on their...revolution axis? i dont know how to explain it properly, the yoke ends near the transfer case and the rear axle are in the same position.) So now i'm wondering if I should take it apart and put it BACK the way it was, or if I inadvertently balanced it??? Damn. Any ideas?
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03-26-2021, 09:07 PM
#8
CF Veteran
Yes, putting it back the way it was would be helpful right now. You have a stock slip yoke drive shaft, right?
03-27-2021, 01:33 AM
#9
Junior Member
Thread Starter
Yes i have the stock. everything was running smooth prior to removal so it's best i just put it back the way it was. Won't be so hard, just gotta get that new u-joint out again. Thank you for helping me figure this out
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