K 3500 Truck 4WD V6-262 4.3L (1988)
FIGURE 4
A.
Brake Backing Plate, Hub and Drum Assembly, and Axis Shaft Removal
1.
Raise vehicle and support with suitable safety stands.
2.
Remove wheel and tire assembly.
If wheel and tire assembly does not break free of the hub using standard procedures:
a.
Tighten all the lug nuts on the affected wheel. Do not torque.
b.
Loosen each nut two turns.
c.
Lower vehicle to floor.
d.
Rock the vehicle from side to side to loosen the wheel or rock the vehicle from forward to reverse, allowing the vehicle to move several
feet in each direction. Apply quick, hard jabs on the brake pedal to loosen the wheel.
e.
Raise the vehicle and remove the lug nuts and the wheel.
3.
Remove axle shaft (figures 1 and 2).
a.
Remove bolts (55) holding axle shaft to hub.
b.
Rap axle shaft flange (53) with a soft-faced hammer to loosen the shaft.
c.
Grip the rib on the axle shaft flange (53) with a locking plier and twist to start shaft removal.
4.
Remove hub and drum assembly (figure 2).
a.
Remove retaining ring (56).
b.
Remove key (57).
c.
Remove bearing adjusting nut (58). Use tool J 2222-C as shown in figures 3 & 4.
d.
Remove and discard hub and drum assembly.
NOTE:
If difficulty is encountered in removing the drum:
-
Make sure the parking brake is released.
-
Back off the parking brake cable adjustment.
-
Back off the star wheel on the brake adjuster screw.