07 JK drive train vibration - JeepForum.com
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post #1 of 19 Old 07-27-2010, 05:56 PM Thread Starter
bkerry
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07 JK drive train vibration

After changing my rear pinion seal I am getting a shudder type vib. This dosent happen all the time, comes and goes. any suggestions?

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post #2 of 19 Old 07-27-2010, 06:08 PM
ronjenx
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Do you have a stock rear drive shaft?
Or an after market with regular u-joints?
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post #3 of 19 Old 07-28-2010, 05:12 AM Thread Starter
bkerry
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It still has stock drive shaft. I have inspected the shaft seems to be ok. I thought it might be the front shaft so I removed it and drove the jeep for a week still same issue.
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post #4 of 19 Old 07-28-2010, 05:30 AM
Warlord2
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Is the jeep lifted? did you check your gear oil level? make sure the boot near the transfer case isnt ripped and spewing grease. Do you have a 2 door or 4 door?

need more info

07 JK 2D X model with 6 speeds. Full Traction 3" ultimate lift kit. 315x75x16 Toyo Open Country M/T on Rock crawler procomp rim. Ruby dana44's front sleeved inside/outside C truss and rear with 5.13's gears. Homemade rock guards, rear bumper w/tire carrier, oilpan/tranny skid, evap canister skid, light bar, switch pod. Riddler diff covers, Cobra 75 w/wilson antenna, Polk speakers, 10" sub, 2x Amps, Lightforce 240 drive light, backup lights, rock lights.
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post #5 of 19 Old 07-28-2010, 07:46 AM
ge2
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Same thing was happening with mine. It came and went. Mostly I felt it upon acceleration. I inspected the drivelines (aftermarket rear), and u-joints (stock), but apparently I didn't check the u-joint well enough-- 4-5 weeks after it started, my u-joint shattered and my driveline dropped to the pavement. Check that u-joint VERY well.
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post #6 of 19 Old 07-28-2010, 08:54 AM
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Make sure you haven't picked up something on your drive shaft.





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post #7 of 19 Old 07-28-2010, 08:59 AM
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Quote:
Originally Posted by ronjenx View Post
Make sure you haven't picked up something on your drive shaft.





wow!
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post #8 of 19 Old 07-28-2010, 09:52 AM
Tireguy
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I have that same email...that WAS a mattress. Now its just a little counterweight.
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post #9 of 19 Old 07-28-2010, 12:22 PM Thread Starter
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I can feel a little play, not much. Also, my jeep is a 2 door.

Last edited by bkerry; 07-28-2010 at 05:36 PM.
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post #10 of 19 Old 08-01-2010, 09:57 AM Thread Starter
bkerry
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Thanks for all the response. I just figured out the issue. Front cv joint on the rear drive shaft. Any suggestions on replacement?
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post #11 of 19 Old 08-01-2010, 10:29 AM
RockyClymer
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The stock units used a Rzeppa joint which cannot be rebuilt to my knowledge. I suggest that it is time to go with a Tom Woods or JE Reel rear drive shaft - you can get a bolt in replacement or you can pull the flange connection and go with a U joint yoke. You can also find a lot of stock rear DS's on eBay - I picked up a spare rear shaft for 10 bucks...

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post #12 of 19 Old 08-01-2010, 03:40 PM
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Quote:
Originally Posted by ronjenx View Post
Make sure you haven't picked up something on your drive shaft.
Holy ****!!!

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post #13 of 19 Old 08-18-2010, 06:02 PM Thread Starter
bkerry
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replaced rear driveshaft still have same vib. everything in the front end looks good, could I have a torque converter shudder?
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post #14 of 19 Old 08-18-2010, 07:31 PM
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I have the same vibration in mine. I have an auto 4 dr. The front driveshaft is a Tom Woods and the rear is stock. I have been driving this way for a couple of months now. It doesn't happen all the time but when it does it sems to be while accelerating. I still haven't figured out what the issue is.
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post #15 of 19 Old 08-18-2010, 09:42 PM
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Quote:
Originally Posted by chickenhawk7 View Post
I have the same vibration in mine. I have an auto 4 dr. The front driveshaft is a Tom Woods and the rear is stock. I have been driving this way for a couple of months now. It doesn't happen all the time but when it does it sems to be while accelerating. I still haven't figured out what the issue is.
I hope you adjusted the pinion angle correctly, if not that driveshaft isnt going to last very long.....If you did I would recheck it, there should be no vibrations.

bkerry, I would take off the rear driveshaft and slap it in 4high and drive around to see if its the actual rear driveshaft making the vibrations. Does it happen accelerating? decelerating? Its posible that its just isnt balanced properly....When you retorqued the pinion nut when you changed seals did you use a new pinion nut and torque it properly? Check for any play in the flange when you take the DS off, there shouldnt be any.

07 JK 2D X model with 6 speeds. Full Traction 3" ultimate lift kit. 315x75x16 Toyo Open Country M/T on Rock crawler procomp rim. Ruby dana44's front sleeved inside/outside C truss and rear with 5.13's gears. Homemade rock guards, rear bumper w/tire carrier, oilpan/tranny skid, evap canister skid, light bar, switch pod. Riddler diff covers, Cobra 75 w/wilson antenna, Polk speakers, 10" sub, 2x Amps, Lightforce 240 drive light, backup lights, rock lights.
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drive line vibration , drive shaft , JK Wrangler , pinion seal , vibration , wrangler

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