Seals and Leaks - JeepForum.com

 
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post #1 of 13 Old 01-12-2013, 04:00 PM Thread Starter
Indian
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Seals and Leaks

Hi,

I have a 2008 Jeep GC 4x4; took it for an oil change the other day and was told there were a couple of leaks; two to be exact:
1. Transfer Case Output Seal
2. Rear Pinion Seal

The dealer wanted about $240 each; parts and labor to do the job.

I was going to get a buddy of mine to do the job.

Has anyone had experience withe these repairs and have any thoughts on level of complexity etc......

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post #2 of 13 Old 01-13-2013, 06:51 AM Thread Starter
Indian
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Bump.

Just wanted to check in with you guys to see if you could give me some words of advice before i get into it and regret not just going with the dealer.

I saw two youTube video's and it looked pretty straight forward; of course, everything looks easy when someone else does it.
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post #3 of 13 Old 01-13-2013, 10:54 AM Thread Starter
Indian
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Bump Again.

After reading about this more i am now a little worried that my Rear Pinion Bearing may be worn and my have resulted in both the seals going bad.

Does anyone know of a Good Jeep Repair Shop for the seals and possibly the Rear Pinion Bearing in Northern Virginia Area.

Thank You in advance for any input.
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post #4 of 13 Old 01-13-2013, 01:01 PM
modernblueWK
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Honestly i would say $240 is not too bad for those items. The trouble is you wont get out of there for less than $1240 most likely.

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post #5 of 13 Old 01-13-2013, 07:41 PM
Walt
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Quote:
Originally Posted by Indian View Post
Hi,

I have a 2008 Jeep GC 4x4; took it for an oil change the other day and was told there were a couple of leaks; two to be exact:
1. Transfer Case Output Seal
2. Rear Pinion Seal

The dealer wanted about $240 each; parts and labor to do the job.

I was going to get a buddy of mine to do the job.

Has anyone had experience withe these repairs and have any thoughts on level of complexity etc......
Both of my seals failed as yours did. Came from failing U-joints in rear drive shaft. All fixed under lifetime powertrain warranty.

Drive shaft is ~$1,100 if you buy it. U-joints are apparently not rebuildable on OEM shaft, so you must buy entire sub-assemly. Unable to address aftermarket drive shafts.

Recommend you have the rear drive shaft U-joints checked before seals are replaced and fail again (i.e., curing the symptom, not the problem).

HEMI CLUB MEMBER #45; SILVER WK CLUB MEMBER #13
'08 WK GC Limited. 5.7L HEMI. Quadra-Trac II. Bright Silver Metallic. Class IV hitch.
Michelin LTX M/S tires. Fumoto oil drain valve. Billet Technology oil catch can.
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post #6 of 13 Old 08-03-2013, 04:41 AM
jgc2006
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Maybe the same problem here OR am I seeing some cracks in the pics ?
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post #7 of 13 Old 08-03-2013, 06:17 AM
tom19511
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I would say leak...

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post #8 of 13 Old 08-03-2013, 03:50 PM
Walt
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Quote:
Originally Posted by Indian View Post
After reading about this more i am now a little worried that my Rear Pinion Bearing may be worn and my have resulted in both the seals going bad.
input.
When the rear drive shaft is out to replace the rear pinion seal either you (or a mechanic) should check the U-joints. (Match mark the drive shaft and flange for later installation in the same balance orientation.) My rear drive shaft had no noticeable symptoms of failing, but the U-joints were getting loose after 5 years of routine service (no off-road).
If you just replace the 2 seals and the U-joints are failing, the seals will likely fail again. Not trying to scare you; just recommending inspection while the shaft is already out. BTW: It took about a week for the dealer to get my rear drive shaft delivered. You may wish to check availability in advance as they were on back-order about 1 year ago.

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'08 WK GC Limited. 5.7L HEMI. Quadra-Trac II. Bright Silver Metallic. Class IV hitch.
Michelin LTX M/S tires. Fumoto oil drain valve. Billet Technology oil catch can.
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post #9 of 13 Old 08-20-2013, 09:33 AM
jgc2006
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Quote:
Originally Posted by tom19511 View Post
I would say leak...
Pinion seal (#52070339AB) changed and no more leaks. 2 hours DIY job and the part was "only" 15 euros which was the total cost for the whole project
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post #10 of 13 Old 08-20-2013, 11:20 AM
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My rear pinion seal also leaks...has been for probably 2 years now. I'm sure with 112,000 I'm due for a new rear driveshaft. Doesn't leak enough to be worth replacing yet, fluid is never low.

2006 XK Commander, 4.7L V8, Quadra-Trac II, 6.25" Modified Superlift, Jeepin by Al's front UCA's, Rusty's Adjustable rear LCA's; 35x12.5R17 TOYO Open Country MT's; Method NV305 17x8.5 wheels
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post #11 of 13 Old 10-20-2015, 10:32 AM
BAH101
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What size socket is required for the pinion nut?

2008 CRD QDII, OME HD, Pintlers wheels with 265/70/17 Goodyear Silent Armour's, Jeepinbyal UCA's. 4XGuard Front guard, Side Guard, belly guard, Matrix HC. GDE ECO Tune w/ delete.
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post #12 of 13 Old 10-20-2015, 11:54 AM
Nejeep
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Quote:
Originally Posted by BAH101 View Post
What size socket is required for the pinion nut?
I used 1-1/4" since I dont have any metric sockets that big. Worked fine for me.

Here are a couple of more tips. I had to use some heat to loosen up the red lock-tite on the pinion nut. Small propane torch for about 1 minute is all it took, dont over do it. You may need a puller to get the yoke off the pinion shaft too.

One more caution is be sure you have the correct seal for your diff. Jeep used 3 different differentials with different seals, Chrysler 8.25, Dana 35 and Dana 44. (Dont ask how I know)

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post #13 of 13 Old 10-20-2015, 01:45 PM
BAH101
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Thanks much for the socket size.
When I purchased the seal, the notes at the parts store said it was for the C213RE which is the QD2 rear.

2008 CRD QDII, OME HD, Pintlers wheels with 265/70/17 Goodyear Silent Armour's, Jeepinbyal UCA's. 4XGuard Front guard, Side Guard, belly guard, Matrix HC. GDE ECO Tune w/ delete.
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