Removal
1. Raise and secure the vehicle securely.
2. Remove the wheel.
Note: When removing the brake drum, do not hit the brake drum with a hammer. This may cause damage to the bearing,
3. Remove the brake drum.
4. Loosen the handbrake cable.
5. On vehicles equipped with ABS, disconnect the ABS sensor line.
6. Remove the wheel hub with the bearing assembly. The bearing unit is fixed in the brake drum and does not move.
Installation
Note: The hub assembly with the bearing is not subject to maintenance. If the unit fails, it must be replaced.
1. Install the hub assembly with the bearing and secure with bolts and nuts.
Tightening
Tighten the wheel hub and bearing assembly nuts to 40 Nm. Tighten the nut an additional 60°, then another 15°.
2. Connect the ABS sensor line.
3. Install the brake drum and tighten the screw.
4. Install the rear wheel.
5. Adjust the handbrake.
6. Lower the vehicle.
(The original source of the article is the website ChevyMan)