Chevrolet Light Duty Truck 1973 Service Manual page 250

4 -2 6 REAR SU S PEN SIO N A ND DRIVELINE
Fig. 51—Differential Pinion Shaft Removal
Oil Seal/Bearing—Replacement
1. Remove oil seal by using button end of axle shaft.
Insert button end behind the steel case of the oil
seal, then pry seal out of bore being careful not to
damage seal. If both seal and bearing are being
replaced proceed to step
2. Using J-23689, insert into bore so that tool grasps
behind the bearing. See figure 53. Slide washer
against outside of seal (or bearing) and turn nut
finger tight against washer. Attach Slide Hammer
J-2619 and remove bearing and seal.
3. Back off nut and remove bearing and seal from
tool.
4. Lubricate cavity between seal lips with wheel
bearing lubricant and also lubricate new bearing
with wheel bearing lubricant.
5. To reinstall bearing, use J-23690 Installer. Install
bearing until tool bottoms against tube as
illustrated in figure 54.
Fig. 52—Oil Seal and Wheel Bearing
.
2
Fig. 53—Wheel Bearing Removal
BEARING]
Fig. 54—Wheel Bearing Installation
. To install oil seal, place seal on J-21128 and drive
6
into bore until tool bottoms against end of tube. See
figure 55. This tool installs the seal flush with the
end of the tube.
Brake Backing Plate—Replacement
1. Remove brake line at wheel cylinder inlet and
disassemble brake components from flange plate.
Refer to Section 5 for brake disassembly procedure.
2. Remove bolts retaining flange plate to axle, and
remove flange plate.
3. Install new flange plate to axle housing and torque
nuts to specifications.
4. Install brake components on flange and connect
hydraulic line to wheel cylinder inlet. See Section 5
for brake assembly, bleeding and adjustment
procedures.
J-8 09 2
LIGHT DUTY TRUCK SERVICE MANUAL