The rear wheel bearings should be inspected and relubricated whenever the rear brakes are serviced or at least every 30,000 miles (13,608 km). Repack the bearings with high temperature multi-purpose grease.
Check the lubricant to see if it is contaminated. If it contains dirt or has a milky appearance indicating the presence of water, the bearings should be cleaned and repacked.
Clean the bearings in kerosene, mineral spirits or other suitable cleaning fluid. Do not dry them by spinning the bearings. Allow them to air dry.
Before handling the bearings, there are a few things that you should remember to do and not to do.
Remember to DO the following:
Do NOT do the following:
REMOVAL & INSTALLATION
- Raise and support the car with the rear wheels off the floor.
- Remove the wheel grease cap, cotter pin, nut-lock and bearing adjusting nut.
- Take off the thrust washer and bearing.
- Take off the drum from the spindle.
- Use a brass drift to drive the old races from the hub.
- Thoroughly clean the old lubricant from the hub cavity.
- Drive the new races into the hub assembly.
- Pack the bearings with high temperature multi-purpose EP grease and add a small amount of new grease to the hub cavity. Be sure to force the lubricant between all rollers in the bearing.
- Install the drum on the spindle after coating the polished spindle surfaces with wheel bearing lubricant.
- Install the outer bearing cone, thrust washer and adjusting nut.
- Tighten the adjusting nut to 20-25 ft. lbs. (27-34 Nm) while rotating the wheel.
- Back off the adjusting nut to completely release the preload from the bearing.
- Tighten the adjusting nut finger-tight.
- Position the nut-lock with one pair of slots in line with the cotter pin hole. Install the cotter pin.
- Clean and install the grease cap and wheel.
- Lower the car.