Wheel Hub: Service and Repair

Wheel Hub, Bearing, and Seal Replacement (4WD)

Tools Required

^ J 45859 Axle Remover

Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel.
3. Remove the rotor.





4. Remove the wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle.





5. Remove the wheel drive shaft nut retaining cover.





6. Important:
Do not reuse the nut. A new nut must be used when installing the wheel drive shaft.

Remove the wheel driveshaft assembly retaining nut (2) and washer (3) from the wheel driveshaft.





7. Disengage the wheel drive shaft from the wheel hub and bearing using J 45859 or equivalent.





8. Remove the wheel hub (4) and the 15-series bearing mounting bolts (9).





9. Notice:
Wheel drive shaft boots, seals and clamps should be protected from sharp objects any time service is performed on or near the wheel drive shaft(s). Damage to the boot(s), the seal(s) or the clamp(s) may cause lubricant to leak from the joint and lead to increased noise and possible failure of the wheel drive shaft.

Wrap shop towels around the inner and outer wheel drive shaft boots.
10. Remove the wheel hub and bearing (4) mounting bolts, 25/35 series.
11. Remove the wheel hub and bearing and splash shield from the vehicle.
12. Remove the O-ring seal from the steering knuckle bore, 25/35 series.
13. Remove the wheel speed sensor mounting bolt (5).
14. Clean and inspect the O-ring seal, 25/35 series.
15. 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 assembly.
2. Lubricate the steering knuckle bore with wheel bearing grease or the equivalent.





3. Install the O-ring (7) to the steering knuckle, the 25/35 series.

4. Notice:
Refer to Fastener Notice.

Install the wheel speed sensor mounting bolt to the wheel hub and bearing.

Tighten the sensor mounting bolt to 18 Nm (13 ft. lbs.).

5. Install the wheel hub and bearing and splash shield to the vehicle, 25/35 series.





6. Install the wheel hub and bearing (5) and splash shield (6) to the vehicle, 15 series.
7. Install the wheel hub and bearing mounting bolts (8), the 15 series.
8. Install the wheel hub and bearing mounting bolts (8), 25/35 series.
Tighten the wheel hub to knuckle bolts to 180 Nm (133 ft. lbs.).





9. Install the nut (2) and washer (3) retaining the wheel drive shaft assembly to the wheel hub and bearing.

Tighten the nut to 240 Nm (177 ft. lbs.).





10. Install the wheel speed sensor and brake hose mounting bracket bolt to the steering knuckle.

Tighten the brake hose clip bolt to 12 Nm (106 inch lbs.).

11. Install the rotor.
12. Install the tire and wheel.
13. Lower the vehicle.