Wheel Bearing: Service and Repair

Front Wheel Hub, Bearing, and Seal Replacement

Removal Procedure

Notice: Refer to Bearing Seal Damage Notice in Service Precautions.





1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation.
3. Remove the rotor. Refer to Brake Rotor Replacement - Front in Brakes and Traction Control.
4. Remove the wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle.
5. Disconnect the electrical connection for the wheel speed sensor.
6. Remove the wheel hub and bearing (4) mounting bolts (15 Series).





7. Remove the wheel hub and bearing (4) mounting bolts (25 Series).
8. Remove the wheel hub and bearing and splash shield from the vehicle.
9. Remove the O-ring seal from the steering knuckle bore (25 Series).
10. Remove the wheel speed sensor mounting bolt (5).
11. Clean and inspect the O-ring seal (25 Series).
12. Replace the seal if the following conditions exist:
^ Nicks
^ Cuts
^ Dry or brittle
^ Compression set


Installation Procedure





1. Clean all corrosion or contaminates from the steering knuckle bore and the hub and bearing.
2. Lubricate the steering knuckle bore with wheel bearing grease or the equivalent.
3. Install the O-ring (7) to the steering knuckle (25 Series).

Notice: Refer to Fastener Notice in Service Precautions.

4. Install the wheel speed sensor.
^ Tighten the sensor mounting bolt to 18 Nm (13 lb ft).





5. Install the wheel hub and bearing and splash shield to the vehicle (25 Series).
6. Install the wheel hub and bearing (4) and splash shield to the steering knuckle (15 series).
7. Install the wheel hub and bearing mounting bolts (15 Series).
Install the wheel hub and bearing mounting bolts (25 Series).
^ Tighten the wheel hub and bearing (4) to the steering knuckle bolts to 180 Nm (133 lb ft).
8. Connect the electrical connection for the wheel speed sensor.
9. Install the wheel speed sensor and brake hose mounting bracket bolt to the steering knuckle.
^ Tighten the bolt to 12 Nm (106 inch lbs.).
10. Install the rotor. Refer to Brake Rotor Replacement-Front.
11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation.
12. Lower the vehicle.