Jeep Cherokee 2000 Service Manual - page 83
(3) Install the pinion gear mate shaft. Align the
roll pin holes in shaft and the differential case.
(4) Install the roll pin to hold the pinion mate
shaft in the differential case (Fig. 69).
(5) Install the ring gear.
(6) Lubricate
all
differential
components
with
hypoid gear lubricant.
FINAL ASSEMBLY
(1) Scrape the residual sealant from the housing
and cover mating surfaces. Clean the mating surfaces
with mineral spirits. Apply a bead of Mopar
t Silicone
Rubber Sealant, or equivalent, on the housing cover
(Fig. 70).
Install the housing cover within 5 minutes
after applying the sealant.
(2) Install the cover on the differential with the
attaching bolts. Install the identification tag. Tighten
the cover bolts to 41 N·m (30 ft. lbs.) torque.
CAUTION: Overfilling the differential can result in
lubricant foaming and overheating.
(3) Refill the differential housing with gear lubri-
cant. Refer to the Lubricant Specifications section of
this group for the gear lubricant requirements.
(4) Install the fill hole plug.
CLEANING AND INSPECTION
CARDAN U-JOINT
Clean all the U–joint yoke bores with cleaning sol-
vent and a wire brush. Ensure that all the rust and
foreign matter are removed from the bores.
Inspect the yokes for distortion, cracks and worn
bearing cap bores.
Replace the complete U–joint if any of the compo-
nents are defective.
AXLE COMPONENTS
Wash differential components with cleaning solvent
and dry with compressed air. Do not steam clean
the differential components.
Wash bearings with solvent and towel dry, or dry
with compressed air. DO NOT spin bearings with
compressed
air.
Cup
and
bearing
must
be
replaced as matched sets only.
Clean axle shaft tubes and oil channels in housing.
Inspect for;
• Smooth appearance with no broken/dented sur-
faces on the bearing rollers or the roller contact sur-
faces.
• Bearing cups must not be distorted or cracked.
• Machined surfaces should be smooth and with-
out any raised edges.
• Raised metal on shoulders of cup bores should
be removed with a hand stone.
Fig. 69 Mate Shaft Roll Pin Installation
1 – PUNCH
2 – PINION MATE SHAFT
3 – MATE SHAFT LOCKPIN
Fig. 70 Typical Housing Cover With Sealant
1 – SEALING SURFACE
2 – CONTOUR OF BEAD
3 – BEAD THICKNESS 6.35mm (1/4”)
XJ
TUBE, 181, AND 186 FBI AXLE
3 - 47
DISASSEMBLY AND ASSEMBLY (Continued)