New Transmission, Now Drive Shaft Leak - JeepForum.com
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post #1 of 5 Old 07-25-2019, 02:58 PM Thread Starter
ALR1234
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New Transmission, Now Drive Shaft Leak

Just got the transmission rebuilt on a 2012 last week. In the meantime the wheel studs also went bad and had to get those replaced. While the folks fixing the wheel studs had it up on the lift, they noticed the drive shaft was leaking grease. I was not there so I didn't see it, but we took the Liberty back to the mechanic who fixed the transmission and asked them to take a look. They told us that it will be $500 to fix the issue with the drive shaft and that the leak had nothing to do with the transmission fix. My question is, is it possible to rebuild the transmission without taking the drive shaft off? We have had this vehicle for 2 years and before the transmission went, never had an issue with the drive shaft.

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post #2 of 5 Old 07-25-2019, 07:13 PM
Pine_Cat
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Why did the transmission need to be rebuilt? High mileage? Was it run without enough fluid?

There may be some misunderstandings here. Driveshafts don't contain a reservoir of grease that can spring a leak, so maybe it's something else?

2017 JK Sahara (my Smartcar)
2011 KK Liberty (H&R lift springs, OldManEmu shocks/struts, skinny 32)
2009 Kia Sorento (H&R springs, ToyTec strut spacers, OldManEmu shocks/struts, skinny 31)
2006 TJ budget LCG prerunner (see profile)
2006 Chevy Trailblazer (EXT lift, Nth LJ 4.5" springs + Monroe rear coilovers, skinny 32)
1998 Dodge Durango (SuspMax & Roadmaster lifts, rear Truetrac, skinny 32)
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post #3 of 5 Old 07-25-2019, 08:02 PM
lfhoward
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Is it the front drive shaft where it goes into the transfer case (the rear CV joint)? If the rubber boot is toast, this can leak grease and then start to make noises etc.

This CV joint is completely replaceable and you can do it yourself for $36.
https://www.driveshaftparts.com/inde...product_id=566
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2008 Liberty Sport 4x4 Automatic
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post #4 of 5 Old 07-26-2019, 07:14 PM
Pine_Cat
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Thanks for chiming - when I experienced your front shaft point I could hear it going, so that's why I came across as skeptical

2017 JK Sahara (my Smartcar)
2011 KK Liberty (H&R lift springs, OldManEmu shocks/struts, skinny 32)
2009 Kia Sorento (H&R springs, ToyTec strut spacers, OldManEmu shocks/struts, skinny 31)
2006 TJ budget LCG prerunner (see profile)
2006 Chevy Trailblazer (EXT lift, Nth LJ 4.5" springs + Monroe rear coilovers, skinny 32)
1998 Dodge Durango (SuspMax & Roadmaster lifts, rear Truetrac, skinny 32)
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post #5 of 5 Old 07-26-2019, 09:35 PM
lfhoward
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Quote:
Originally Posted by Pine_Cat View Post
Thanks for chiming - when I experienced your front shaft point I could hear it going, so that's why I came across as skeptical
No worries! When I first read the post I was picturing the rear driveshaft and for that what you said was absolutely true. But I had the rear CV on my front driveshaft go out a couple of years ago and so thatís what made me think the OP might have a issue on the front shaft. Youíre right, it sounds like chains dragging when itís about to die. But the grease comes out first and dirt gets in, leading to internal carnage and wear. I bet itís in the early stages.

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