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Thump/slap after rear pinion seal replacement #5079311 04/18/19 09:55 PM
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HoosierJeeper Offline OP
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I took my Liberty in for Monday to get the rear pinion seal replaced since it was leaking (194k!) and got it back, no issues. Drove about 200 miles since then. Today it started making this noise that sounded like a spoon or something got caught in a rear tire, after about 10 miles it got super loud. I noticed when I let off the guess is when the sound happened, on the gas it was quiet so figure it's rear diff related. (nothing in the tires obviously). I dropped it back off at the shop tonight so he can look at it tomorrow. Any ideas on what it could be? The driveshaft felt normal going into the diff and I didn't see anything obviously wrong.

Thanks!


19 Jeep Renegade Trailhawk 1.3T
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07 Land Rover LR3 SE V8
05 Jeep Liberty Limited V6
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Re: Thump/slap after rear pinion seal replacement [Re: HoosierJeeper] #5079318 04/18/19 10:04 PM
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maxdustington Offline
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Originally Posted by HoosierJeeper
Today it started making this noise that sounded like a spoon or something got caught in a rear tire
You're probably OK until it sounds like a fork is stuck in the tire.


97 GMC RCLB K2500LD L30/4L60
Re: Thump/slap after rear pinion seal replacement [Re: HoosierJeeper] #5079338 04/18/19 10:27 PM
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HoosierJeeper Offline OP
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I'd say it went from spoon to spork to fork to butcher knife stuck in the tire!
Seriously, it's very rotational, which lead me to think it was something in the tire. But the whole on gas/off gas thing rules that out and it was from the rear.


19 Jeep Renegade Trailhawk 1.3T
15 Jeep Cherokee Limited V6
07 Land Rover LR3 SE V8
05 Jeep Liberty Limited V6
96 Jeep Cherokee Country 4.0
Re: Thump/slap after rear pinion seal replacement [Re: HoosierJeeper] #5079347 04/18/19 10:45 PM
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oldhp Offline
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Sounds like the pinion nut backed off.


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Re: Thump/slap after rear pinion seal replacement [Re: HoosierJeeper] #5079406 04/19/19 01:46 AM
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Linctex Offline
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Damaged axle bearing?

Anyway, take it back right away and have them make it right.


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Re: Thump/slap after rear pinion seal replacement [Re: oldhp] #5079452 04/19/19 04:50 AM
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Silverado12 Offline
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Originally Posted by oldhp
Sounds like the pinion nut backed off.

That's my guess too. I had a 1974 C-10 and it showed your same symptoms when the nut worked its way loose.


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Re: Thump/slap after rear pinion seal replacement [Re: HoosierJeeper] #5079490 04/19/19 06:20 AM
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HoosierJeeper Offline OP
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Would that have done damage to the axle? Or once he tightens it will it be ok?


19 Jeep Renegade Trailhawk 1.3T
15 Jeep Cherokee Limited V6
07 Land Rover LR3 SE V8
05 Jeep Liberty Limited V6
96 Jeep Cherokee Country 4.0
Re: Thump/slap after rear pinion seal replacement [Re: HoosierJeeper] #5079535 04/19/19 07:12 AM
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Trav Offline
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I don't know how this diff is set up but the pinion depth may need to be checked/set. It needs a thorough inspection anyway so I would probably use someone else to do the job.


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Re: Thump/slap after rear pinion seal replacement [Re: HoosierJeeper] #5079745 04/19/19 10:34 AM
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ragtoplvr Offline
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Loose driveshaft strap. Thrown U joint cap.
sometimes the simple stuff does not get checked.


Rod

Re: Thump/slap after rear pinion seal replacement [Re: HoosierJeeper] #5079822 04/19/19 11:38 AM
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Piston_slap Offline
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I hope you got the same shop to replace it under warranty. That's a sorta important small thing. crzy


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