Overhaul

CAUTION: When removing wheel hub or wheel bearing from knuckle, replace wheel bearing assembly (outer race, inner races and grease seals) with a new one.





DISASSEMBLY
Wheel Hub
- Drive out hub with inner race (outside) from knuckle with a suitable tool.





Wheel Bearing
1. Remove bearing inner race (outside), then remove outer grease seal.





2. Remove inner grease seal from knuckle.





3. Remove snap ring.





4. Press out bearing outer race.

NOTE: When replacing wheel bearing, replace wheel bearing assembly (inner races and outer race).

INSPECTION
Wheel Hub And Knuckle
- Check wheel hub and knuckle for cracks by using a magnetic exploration or dyeing test.

Snap Ring
- Check snap ring for wear or cracks. Replace if necessary.

ASSEMBLY
1. Install inner snap ring into groove of knuckle.





2. Press new wheel bearing assembly into knuckle.

Maximum load P: 29 kN (3 ton, 3.3 US ton)

CAUTION:
^ Do not press inner race of wheel bearing assembly.
^ Do not apply oil or grease to mating surfaces of wheel bearing outer race and knuckle.

3. Install outer snap ring into groove of knuckle.





4. Pack grease seal lip with multi-purpose grease.





5. Install outer grease seal.





6. Install inner grease seal.





7. Press wheel hub into knuckle.

Maximum load P: 49 kN (5 ton, 5.5 US ton)

CAUTION: Be careful not to damage grease seal.

8. Check bearing operation.





a. Add load P with press.

Load P: 49 kN (5 ton, 5.5 US ton)

b. Spin knuckle several turns in both directions.
c. Make sure that wheel bearings operate smoothly.