Jeep 1997 Grand Cherokee Service Manual page 158

INSTALLATION ENCE LETTERS SPECIAL TOOL C-4171 REFER- SPECIAL TOOL 6437 SEAL
3 - 100 DIFFERENTIAL AND DRIVELINE
REMOVAL AND INSTALLATION (Continued)
(4) Inspect the axle shaft tube bore for roughness
and burrs. Remove as necessary.
INSTALLATION
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 is against the installer.
(3) Install the new axle shaft seal (Fig. 26) with
Installer 6437 and Handle C–4171.
Fig. 26 Axle Shaft Seal Installation
(4) Install the axle shaft.
DIFFERENTIAL
REMOVAL
(1) Remove axle shafts.
(2) Note the orientation of the installation refer-
ence letters stamped on the bearing caps and hous-
ing machined sealing surface (Fig. 27).
Fig. 27 Bearing Cap Identification
AXLE SHAFT TUBE INSTALLATION ENCE LETTERS REFER- GUIDE SPREADER HOUSING AXLE HOUSING W-129B C-3288–B PIN
(3) Remove the differential bearing caps.
(4) Position Spreader W–129–B with the tool dowel
pins seated in the locating holes (Fig. 28).
(5) Install the hold down clamps and tighten the
tool turnbuckle finger–tight.
Fig. 28 Spread Differential Housing
(6) Install a Guide Pin C-3288-B at the left side of
the differential housing. Attach dial indicator to
housing pilot stud. Load the indicator plunger
against the opposite side of the housing (Fig. 28) and
zero the indicator.
(7) Spread the housing enough to remove the case
from the housing. Measure the distance with the dial
indicator (Fig. 28).
CAUTION: Do not spread over 0.50 mm (0.020 in). If
the housing is over-spread, it could be distorted or
damaged.
(8) Remove the dial indicator.
(9) Pry the differential case loose from the hous-
ing. To prevent damage, pivot on housing with the
end of the pry bar against spreader (Fig. 29).
(10) Remove the case from housing. Mark or tag
bearing cups and outboard shim(s)/spacer(s) (selected
thickness) to indicate which side they were removed
from.
INSTALLATION
(1) Position Spreader W–129–B with the tool dowel
pins seated in the locating holes (Fig. 28). Install the
hold down clamps and tighten the tool turnbuckle
finger–tight.
(2) Install a Guide Pin C-3288-B at the left side of
the differential housing. Attach dial indicator to
housing pilot stud. Load the indicator plunger
DIAL INDICATOR C-3339 DIFFERENTIAL
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