'98 XJ - Rear Suspension Thump
11-02-2021, 11:44 AM
#31
CF Veteran
Plus changing out spiders is NBD. Just be careful removing that diff pin. Tight 6 pt. wrench. Round that head off and you got a problem.
11-02-2021, 02:39 PM
#32
CF Veteran
Join Date: Jan 2014
Location: District of Columbia
Posts: 1,301
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210 Posts
Year: 1998
Model: Cherokee (XJ)
Engine: 4.0
I've finally made a discovery with this that I think might well be the problem. I've jacked the rear end up, and noticed that both rear wheels feel like they have an excessive amount of end play. It also makes a noise very similar to the one I hear over bumps when I wiggle the wheels.
Being a C-clip Dana 35, is this related to the wheel bearings or is there something else I should look at?
Here's a quick video I took:
https://www.youtube.com/watch?v=B2Pp89YPGoQ
Being a C-clip Dana 35, is this related to the wheel bearings or is there something else I should look at?
Here's a quick video I took:
https://www.youtube.com/watch?v=B2Pp89YPGoQ
Thanks, I can't seem to find any info on shims either. I've browsed through the FSM but didn't really find anything.
I guess the plan will be to get the shafts out this weekend and see how the spiders look. Should I be able to spot play in the gears with the cover off?
I've managed to replicate the noise even with the wheels on the ground, here's a video:
https://www.youtube.com/watch?v=rVs2Y94WAME
I guess the plan will be to get the shafts out this weekend and see how the spiders look. Should I be able to spot play in the gears with the cover off?
I've managed to replicate the noise even with the wheels on the ground, here's a video:
https://www.youtube.com/watch?v=rVs2Y94WAME
11-02-2021, 02:43 PM
#33
Member
Thread Starter
Does yours make that noise going over bumps too, or just when you grab the wheel like in the videos?
11-09-2021, 05:02 AM
#35
Member
Thread Starter
I've finally had time now to get this stripped down. I've been wanting to replace the axle seals for months anyway so needed to get the shafts out.
Here's how the play looks with the diff cover removed. The clunk is much quieter without the drums on there, acting like an echo chamber.
Does this look about the amount of play you'd expect? It all looks pretty good in there to me but I'd like a second opinion!
Here's how the play looks with the diff cover removed. The clunk is much quieter without the drums on there, acting like an echo chamber.
Does this look about the amount of play you'd expect? It all looks pretty good in there to me but I'd like a second opinion!
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