Jeep Wrangler/YJ 1987-1995 Repair Guide

Front Hub and Wheel Bearings



1987-90 Models

Sodium-based grease is not compatible with lithium-based grease. Read the package labels and be careful not to mix the two types. If there is any doubt as to the type of grease used, completely clean the old grease from the bearing and hub before replacing.

Before handling the bearings, there are a few things that you should remember to do and not to do.

Remember to DO the following:

Remove all outside dirt from the housing before exposing the bearing.
Treat a used bearing as gently as you would a new one.
Work with clean tools in clean surroundings.
Use clean, dry canvas gloves, or at least clean, dry hands.
Clean solvents and flushing fluids are a must.
Use clean paper when laying out the bearings to dry.
Protect disassembled bearings from rust and dirt. Cover them up.
Use clean rags to wipe bearings.
Keep the bearings in oil-proof paper when they are to be stored or are not in use.
Clean the inside of the housing before replacing the bearing.

Do NOT do the following:

Don't work in dirty surroundings.
Don't use dirty, chipped or damaged tools.
Try not to work on wooden work benches or use wooden mallets.
Don't handle bearings with dirty or moist hands.
Do not use gasoline for cleaning; use a safe solvent.
Do not spin-dry bearings with compressed air. They will be damaged.
Do not spin dirty bearings.
Avoid using cotton waste or dirty cloths to wipe bearings.
Try not to scratch or nick bearing surfaces.
Do not allow the bearing to come in contact with dirt or rust at any time.

  1. Raise and support the front end on jackstands.
  3. Remove the wheel.
  5. Dismount the caliper and suspend it out of the way.
  7. Remove the rotor.
  9. Remove the hub nut pin, cap and nut.
  11. Remove the hub.
  13. The hub and bearings are usually replaced as a unit. The hub and bearing carrier may, however, be disassembled and the bearings replaced as a set. Once the hub and bearing carrier have been separated, the bearings should not be reused.
  15. Pack the hub cavity and bearings with wheel bearing grease and install the hub on the axle shaft. If the carrier was separated from the hub, make sure you install a new carrier seal and inner bearing seal.
  17. Install the hub washer and nut. Torque the nut to 175 ft. lbs. (237 Nm) and install the cap and new cotter pin.
  19. Install the rotor, caliper and wheel.