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Rear shaft play
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=51728
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Author:  JL Rockies [ Fri Apr 09, 2010 11:31 am ]
Post subject:  Rear shaft play

LOL......

Last night I had one of our techs put fresh fluids in my diffs and t-case. While he was working on that I walked under the Jeep and grabbed my rear driveshaft to check for play. I seem to rememeber reading here that it's normal for the front shaft to have some play but the rear should not (LOL).

I was able to turn the rear about a 1/4" turn. I don't know if it make a difference that all four tires were off the ground as opposed to on. I don't remember that there was any play when I checked on-ground.

When I expressed concern about the play to the tech he told me that was perfectly normal and started talking to me about chains and stuff in the t-case that make it impossible to have zero play.

I am pretty sure it's not supposed to and it never had it before but I only ever checked it on the ground (if that makes a difference).

Am I in trouble with the amout of play I see?

If it's bad, what is it an indicator of?

I go down to MOAB today so I am wondering if I should stick to the bunny trails or not. Thanks peeps.

Author:  stumpjumper_09 [ Fri Apr 09, 2010 11:35 am ]
Post subject:  Re: Rear shaft play

For the rear drive shaft it is completely gear to gear, there is no chain that affects it. There is a good chance that having the rear end off the ground will affect the amount of play that you are feeling. I would check it again on the ground in park. Mine has about 1/8th turn.

Author:  JL Rockies [ Fri Apr 09, 2010 11:55 am ]
Post subject:  Re: Rear shaft play

I just ran out to the parking lot and checked and it's nice and tight (like how I remembered) so it must've been cause the tires were off the ground.

Author:  durangotang [ Fri Apr 09, 2010 11:05 pm ]
Post subject:  Re: Rear shaft play

Let me know if a problem shows up... I have a spare rear DS and U joints I can bring to Moab.

Author:  tjkj2002 [ Fri Apr 09, 2010 11:10 pm ]
Post subject:  Re: Rear shaft play

Normal,more so when you get up in the miles.After you have about 1/2 turn of play and that noticeable "clunk" when you put it in gear or from "R" to "D" then it's time to check the ring gear lash.

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