Jeep 1997 Grand Cherokee Service Manual page 88

INSTALLATION ENCE LETTERS REFER-
3 - 30 DIFFERENTIAL AND DRIVELINE
REMOVAL AND INSTALLATION (Continued)
KNUCKLE INSTALLATION
(1) Position the steering knuckle on the ball studs.
(2) Install and tighten the bottom retaining nut to
109 N·m (80 ft. lbs.) torque. Install new cotter pin.
(3) Install and tighten the top retaining nut to 101
N·m (75 ft. lbs.) torque. Install new cotter pin.
(4) Install the hub bearing and axle shaft.
(5) Connect the tie-rod or drag link end to the
steering knuckle arm. Refer to Group 2, Suspension,
for proper procedures.
AXLE BUSHING REPLACEMENT
Refer to Group 2, Suspension, for the proper axle
bushing procedures.
DIFFERENTIAL
REMOVAL
(1) Raise and support vehicle.
(2) Remove the lubricant fill hole plug from the
differential housing cover.
(3) Remove the differential housing cover and
allow fluid to drain.
(4) Remove hub bearings and axle shafts.
(5) Note the installation reference letters stamped
on the bearing caps and housing machined sealing
surface (Fig. 30).
Fig. 30 Bearing Cap Identification
(6) Loosen the differential bearing cap bolts.
(7) Position Spreader W–129–B, utilizing some
items from Adapter Kit 6987, with the tool dowel
pins seated in the locating holes (Fig. 31). Install the
holddown clamps and tighten the tool turnbuckle fin-
ger–tight.
(8) Install a Guide Pin C-3288-B at the left side of
the differential housing. Attach Dial Indicator C-3339
to guide pin. Load the lever adapter against the
opposite side of the housing (Fig. 32) and zero the
indicator.
INSTALLATION ENCE LETTERS REFER-
CAUTION: Do not spread over 0.50 mm (0.020 in). If
the housing is over-spread, it could be distorted or
damaged.
(9) Spread the housing enough to remove the dif-
ferential case from the housing. Measure the dis-
tance with the dial indicator (Fig. 33).
(10) Remove the dial indicator.
(11) While holding the differential case in position,
remove the differential bearing cap bolts and caps.
(12) Remove the differential from the housing.
Ensure that the differential bearing cups remain in
position on the differential bearings (Fig. 34).
DIAL INDICATOR
SAFETY HOLD DOWN
DOWEL
AXLE HOUSING SPECIAL TOOL C-3339
Fig. 31 Install Axle Housing Spreader
Fig. 32 Install Dial Indicator
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