To pack the bearing or not?? -
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Unread 04-10-2013, 07:29 PM   #1
Registered User
1995 ZJ 
Join Date: Jan 2011
Location: Everett, Wa
Posts: 23
To pack the bearing or not??

Hi all,

I just have a question about replacing the rear bearings in my 1995 Jeep Grand Cherokee Orvis. I believe it is a Dana 35 rearend, with the tow package.
Before I put my bearings in do I pack them with grease or just use assembly lube (lucas assembly lube)and finish the job then rotate the wheels to get the gear oil (synthetic according to the factory manual)out to the bearings?

Have heard several things and am opting for the factory manual.

Could you all please give me your thoughts.

Thank you,


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Unread 04-10-2013, 07:55 PM   #2
Registered User
1994 ZJ 
Join Date: Jan 2011
Location: Lansing, Michigan
Posts: 380
this is what took out of the FSM.

(1) Lubricate the bearing bore and seal lip with
gear lubricant. Insert the axle shaft through the seal,
bearing, and engage it with the side gear splines.
Use care to prevent the shaft splines from damaging
the axle shaft seal lip.
(2) Insert the C-clip lock in the end of the axle
shaft. Push the axle shaft outward to seat the C-clip
lock in the side gear.
(3) Insert the mate shaft into the case and through
the thrust washers and pinion gears. Align the hole
in shaft with the hole in the differential case and install
the lock screw with Loctitet on the threads.
Tighten the screw to 19 Nzm (14 ft. lbs.) torque.
(4) Install the cover and add fluid. Refer to the
Drain and Refill in this section.
(1) Remove the axle shaft. Refer to the Removal
procedures in this Section.
(2) Remove the axle shaft seal from the end of the
axle shaft tube with a small pry bar.
(3) Remove the bearing if it appears damaged.
The seal and bearing can be removed at the same
time with the bearing removal tool.
(4) Remove the axle shaft bearing from the tube
(Fig. 8) with Bearing Removal Tool Set 6310 (T.Ar
(5) Inspect the axle shaft tube bore for roughness
and burrs. Remove as necessary.
CAUTION: Inspect the housing bore for burrs and
remove if they exist.
Do not install the original axle shaft seal. Always
install a new seal.
(1) Wipe the bore in the axle shaft tube clean.
(2) Install axle shaft bearing with Installer 6436
and Handle C-4171. Ensure part number on the
bearing must go against the Installer.
(3) Install the new axle shaft seal (Fig. 9) with Installer
6437 and Handle C-4171.
(4) Install the Axle Shaft. Refer to the installation
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Unread 04-10-2013, 08:00 PM   #3
ratmonkey's Avatar
1997 ZJ 
Join Date: Dec 2006
Location: , Pennsylvania
Posts: 19,793
it's lubricated with the differential gear oil. adding grease can contaminate the differential oil and negatively effect bearing life in both the wheel bearings and the differential bearings.
'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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Unread 06-28-2013, 05:29 PM   #4
Registered User
1995 ZJ 
Join Date: Jan 2011
Location: Everett, Wa
Posts: 23
Thanks guys, I appreciate your help. New bearings in and it's sooo much quieter.
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