I don't have a FSM so I need some info. Today I noticed a left rear axle seal leak and I'd like to know what to expect before I start tearing it apart. I've never done any work on an AAM axle housing so any experienced input is appreciated.

2005 Dodge Ram 2500 Cummins Quad Cab Short Bed

 

REMOVAL
(1) Remove axle shaft flange bolts and remove axle
shaft.
(2) Remove retianer ring from the axle
shaft tube.
(3) Remove hub bearing nut locking key.
(4) Remove hub bearing nut with Socket 8954.
(5) Remove hub and bearings from the axle.
(6) Pry out hub bearing seal from the back of the
hub.
NOTE: The inner part of the seal may stay on the
axle tube. This part must also be removed.
(7) Remove rear bearing.
(8) Remove hub bearing cups with a hammer and
drift.
INSTALLATION
(1) Install outer hub bearing cup with Installer
8961 and Handle C-4171.
(2) Install inner hub bearing cup with Installer
8962 and Handle C-4171.
(3) Pack bearings with the appropriate grease.
(4) Install rear bearing and install new grease
seal with Installer 8963 and Handle C-4171.
(5) Slide hub on the axle tube and install front
bearing into the hub.
(6) Install hub bearing nut with Socket 8954 and
tighten to 30 N·m (22 ft. lbs.) while rotating the hub
(7) Back off nut about 30° and align next hub nut
key slot with axle tube key slot and install locking
key.
NOTE: End play should be 0.025-0.25 mm
(0.001-0.010 in.).
(8) Install retainer ring with ring end in the key
slot.
(9) Install new axle shaft gasket and install axle

sorry wouldn't let me attach it so i had to copy and paste