Jeep 1997 Grand Cherokee Service Manual page 122

DIAL INDICATOR SPECIAL TOOL W-129–B
SPECIAL TOOL SPECIAL TOOL C-3339 C-3339
3 - 64 DIFFERENTIAL AND DRIVELINE
REMOVAL AND INSTALLATION (Continued)
CAUTION: Do not spread over 0.38 mm (0.015 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. 30).
Fig. 29 Install Dial Indicator
Fig. 30 Spread Axle Housing
(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. 31).
BEARING CUPS
DIFFERENTIAL CASE
AXLE HOUSING
Fig. 31 Differential Case Removal
(13) Mark or tag the differential bearing cups to
indicate which side of the differential they were
removed from.
(14) Retrieve differential case preload shims from
axle housing. Mark or tag the differential case pre-
load shims to indicate which side of the differential
they were removed from.
(15) Remove spreader from housing.
INSTALLATION
If replacement differential bearings or differential
case are being installed, differential side bearing
shim requirements may change. Refer to the Differ-
ential Bearing Preload and Gear Backlash proce-
dures in this section to determine the proper shim
selection.
(1) Position Spreader W–129–B, utilizing some
items from Adapter set 6987, with the tool dowel pins
seated in the locating holes (Fig. 32). Install the hold-
down clamps and tighten the tool turnbuckle finger-
–tight.
(2) Install a Pilot Stud C-3288-B at the left side of
the differential housing. Attach Dial Indicator C-3339
to pilot stud. Load the indicator plunger against the
opposite side of the housing (Fig. 29) and zero the
indicator.
CAUTION: Do not spread over 0.38 mm (0.015 in). If
the housing is over–spread, it could be distorted or
damaged.
(3) Spread the housing enough to install the case
in the housing. Measure the distance with the dial
indicator (Fig. 30).
(4) Remove the dial indicator.
(5) Install differential case in the housing. Ensure
that the differential bearing cups remain in position
on the differential bearings and that the preload
shims remain between the face of the bearing cup
ZG