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Unread 07-30-2013, 08:40 AM   #1
priebe
Registered User
2008 KK Liberty 
 
Join Date: Oct 2011
Location: Frederick, Maryland
Posts: 15
Front axle seal leaking, help!!

Hey all. I purchased a used 08 KK 4x4 in August of last year. I had to lose my beloved XJ as she was just getting too old and I knew something major was on the horizon which I did not want to deal with. The KK only had 33k at the time and just clicked over 44k last week. In April I put on the Skyjacker 2” leveling kit (springs and shocks). I know it is not the best kit and yes it did not level out like I had wanted. So this past weekend I went in to install Al’s half inch lower clevis spacers and made things look much better. While I was in there I notice the driver’s side axle output shaft seal appears to be leaking. It is weeping gear oil onto the inner CV shaft and slinging it in the fender well and leaking down to the bottom of the pumpkin. Since neither Haynes nor Chiltons has produced a service manual for the KK yet I’d be guessing on this job. How much of a PITA can it be? Is there a breather on the front diff which could be blocked and forcing oil out this seal? I called my local dealer to ask for a quote and I could tell the services writers eyes turned to dollar signs when he told me $600+ to replace the seal with at least 6 hours’ of work. Can that be true? Anyone ever done this job or replaced a CV shaft? Is this something I can do in the drive way or should I bite the bullet?

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Unread 07-30-2013, 09:27 AM   #2
huntb
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2008 KK Liberty 
 
Join Date: Aug 2011
Location: Grand Haven, MI
Posts: 541
Inner CV boot replacement:

REMOVAL

1. Clamp shaft in a vise (with soft jaws) and support C/V joint (1).
2. Remove clamps with a cut-off wheel or grinder.
3. Slide boot down (2) the shaft.

4. Remove lubricant from housing (1) to expose the C/V snap ring (2) and remove snap ring.

5. Remove bearings (4) from the cage (1).
6. Rotate cage (1) 30° and slide cage off the inner race (2) and down the shaft (3).

7. Remove spread inner race (1) snap ring (4) and remove race (1) from the shaft (3).
8. Remove boot from the shaft and discard.

9. Clean and inspect housing (1), cage (2), bearings (3), housing snap-ring (4), inner race snap-ring (5) and inner race (6) for wear or damage.

INSTALLATION

1. Apply a coat of grease supplied with the joint/boot to the C/V joint components before assembling them.
2. Place new clamps on the new boot and slide boot down the shaft.
3. Slide cage (2) onto the shaft (1) with the small diameter (3) end towards the boot.

4. Install the inner race (1) onto the shaft (3). Pull on the race to verify snap ring has engaged.

5. Align cage (1) with the inner race (2) and slide over the race.
6. Turn the cage 30° to align the cage windows (4) with the race (2).

7. Apply grease to the inner race and bearings and install the bearings.
8. Apply grease to the housing bore (4) then install the bearing assembly (2) into the housing (1).
9. Install the housing snap ring (3) and verify it is seated in the groove.
10. Fill the housing and boot with the remaining grease.
11. Slide the boot onto the C/V housing into its original position. Ensure boot is not twisted and remove any excess air.
12. Secure both boot clamps with Clamp Installer C-4975A. Place tool on clamp bridge and tighten tool until the jaws of the tool are closed.

Sorry, pics wouldn't show up
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Unread 07-30-2013, 12:56 PM   #3
Drednot
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1974 CJ5 
 
Join Date: Aug 2005
Location: AZ
Posts: 840
Its possible to do in your driveway if you have an "awesome set of tools" and some experience. Personally I would pay the $600 and get a warranty on the work. And I've done the same job on my trooper.
If you have access to a lift, its nowhere near as much of a chore.
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74 CJ5, 258, T14a/D20, D30/D44@3.73
12 Cherokee 4x4,3.7L,4RLE/MP1522,D30M/8.25"@3.73,215/85R16 mich LTX A/T2
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Unread 07-30-2013, 02:35 PM   #4
huntb
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2008 KK Liberty 
 
Join Date: Aug 2011
Location: Grand Haven, MI
Posts: 541
Quote:
Originally Posted by drednot View Post
its possible to do in your driveway if you have an "awesome set of tools" and some experience. Personally i would pay the $600 and get a warranty on the work. And i've done the same job on my trooper.
If you have access to a lift, its nowhere near as much of a chore.
+1
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