See Figure 1
- Raise and safely support the front of the vehicle using jackstands.
- Remove the wheel or hub cover and grease cap.
- Remove the cotter pin and nut retainer.
- Loosen the adjusting nut three turns and rock the wheel back and forth a few times to release the brake pads from the rotor.
- While rotating the wheel and hub assembly in a clockwise direction, tighten the adjusting nut to 17-25 ft. lbs. (23-24 Nm).
- Back off the adjusting nut one-half turn, then retighten to 10-28 inch lbs. (1.1-3.2 Nm).
- Install the nut retainer and a new cotter pin. Check the wheel rotation. If it is noisy or rough, the bearings need to be cleaned, repacked or replaced.
- Lower the vehicle. Before driving, pump the brake pedal several times to restore the proper brake pedal travel.
REMOVAL & INSTALLATION
See Figures 2 through 13
Before handling the bearings, learn these rules.You should ALWAYS:
Remove all 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 or plastic gloves.Always use clean, fresh solvents and lubricants.Place the bearings on clean paper to dry.Cover disassembled bearings to prevent rust and contamination by dirt.Use clean rags when necessary.Keep the bearings in oiled, moisture-proof paper when they are to be stored or out of service for more than a short period.Clean the inside of the housing before replacing the bearing.
Work in dirty surroundings.Use dirty, chipped or damaged tools.Work on wooden surfaces or use wooden mallets.Handle the bearings with dirty or wet hands.Use gasoline for cleaning anything.Use compressed air to spin-dry the bearings. They will be damaged.Spin the bearings before cleaning them.Use dirty rags or cotton waste to wipe bearings.Allow the bearing to be scratched, dropped or nicked during service.
- Loosen the lug nuts on the wheel(s) being removed, then raise and support the vehicle safely using jackstands.
- Remove the wheel and tire assembly. Remove the caliper and suspend it with a length of wire; do not allow it to hang by the hose.
- CAREFULLY Pry off the dust cap, making sure not to distort the flange. Tap out and discard the cotter pin. Remove the nut retainer.
- Loosen and remove the adjusting nut, along with the flat washer (the outer bearing cone and roller assembly may come off at this time.
- Being careful not to drop the outer bearing (if it is still in the hub), pull off the brake disc and wheel hub assembly.
- Remove the inner grease seal using a seal removal tool. If necessary, a small prybar may be used, but be VERY CAREFUL not to damage the bearing or the race. Remove the inner wheel bearing.
- Clean the wheel bearings with solvent and inspect them for pits, scratches and excessive wear. Wipe all the old grease from the hub and inspect the bearing races. If either bearings or races are damaged, the bearing races must be removed; new bearings and races should then be installed as a set.
- If the bearings are to be replaced, drive out the races from the hub using a brass drift.
- Make certain the spindle, hub and bearing assemblies are clean prior to installation.
- If the bearing races were removed, install new ones using a bearing race installer (a suitably sized round driver).
- Pack the bearings with a bearing packer. If done by hand, take great care to force as much grease as possible between the rollers and the cages, scoop the grease in from the top and bottom of the bearing cages.
- Coat the inner surface of the hub and bearing races with grease.
- Install the inner bearing in the hub. Lubricate the lip of the new seal with grease, then being careful not to distort it, install the oil seal with the lip facing the bearing. Drive the seal in until its outer edge is even with the edge of the hub. A seal installer is best to use for this, but any suitably sized and SMOOTH EDGED round driver can be used, including a piece of plastic pipe or a socket.
- Install the hub/disc assembly on the spindle; being careful not to damage the oil seal.
- Install the outer bearing, flat washer and spindle nut.
- Properly adjust the wheel bearings. For details, refer to the procedure and the illustration found earlier in this section.
- Install the grease cap, taking care not to distort or damage the cap, but also making sure it is fully seated.
- Install the caliper.
- Install the wheel and tire assembly.
- Remove the jackstands and carefully lower the vehicle.
BE SURE to pump the brake pedal to seat the pads before attempting to move the vehicle.