Operation CHARM: Car repair manuals for everyone.

Rear - With Drum Brakes

Hub, Drum, Wheel Bearings and Grease Seal

Removal

1. Raise vehicle until tire clears floor. Remove wheel from hub and drum.
2. Remove grease cap from hub, taking care not to damage cap. Remove cotter pin, nut retainer, adjusting nut, and keyed flat washer from spindle. Discard cotter pin.
3. Pull hub and drum assembly off spindle being careful not to drop outer bearing assembly.
4. Remove outer bearing assembly.
5. Using Seal Remover TOOL-1175-AC or equivalent, remove and discard grease seal. Remove inner bearing assembly from hub.
6. Wipe all lubricant from spindle and inside of hub. Cover spindle with a clean cloth, and vacuum all loose dust and dirt from brake assembly. Carefully remove cloth to prevent dirt from falling on spindle.
7. Clean both bearing assemblies and cups using solvent. Inspect bearing assemblies and cups for excessive wear, scratches, pits or other damage. Replace all worn or damaged parts as required.

Note: Allow solvent to dry before repacking bearings. Do not spin-dry bearings with air pressure.

Bearing Cup Removal:






8. If cups are to be replaced, remove them with Impact Slide Hammer T5OT-1 00-A and Bearing Cup Puller T77F-1102-A or equivalent.

Installation

Outer Bearing Replacement:





Inner Bearing Replacement:






1. If inner or outer bearing cups were removed, install replacement cups using Driver Handle T80T-4000-W and Bearing Cup Replacers T73T-1217-A and T77F-1217-B or equivalent.

CAUTION: Do not use cone and roller assembly to install cup as this will cause damage to bearing cup, and cone and roller assembly.

Support drum hub on wood block to prevent damage.
Ensure cups are properly seated in hub.
2. Make sure all spindle and bearing surfaces are clean.
3. Using a bearing packer, pack the bearing assemblies with Long-Life Lubricant C1AZ19590-BA or equivalent.
If a packer is not available, work in as much specified grease as possible between rollers and cages.
Grease cup surfaces.

Rear Hub Seal Replacer:






4. Place inner bearing cone and roller assembly in inner cup. Apply light film of grease to lips of a new grease seal and install seal with Rear Hub Seal Replacer T56T-4676-B or equivalent. Ensure the retainer flange Is seated all around.
5. Apply light film of grease on spindle shaft bearing surfaces.
6. Install hub and drum assembly on spindle. Keep hub centered on spindle to prevent damage to grease seal and spindle threads.
7. Install outer bearing assembly and keyed flat washer on spindle.
Install adjusting nut finger-tight.
Adjust wheel bearings. Adjustments
Install a new cotter pin.
8. Install grease cap. Replace with new cap if corrosion is present on inside surface.
9. Place wheel and tire on drum. Instal' lug nuts and tighten alternately to draw wheel evenly against hub and drum.
10. Lower vehicle and tighten lug nuts to 109-142 NM (85-105 ft-lbs).
Do not use power tools.
Install wheelcover.