Isuzu N-Series. Manual — part 180
FRONT AXLE 4C-15
Front Hub and Disc (4
× 2 Model, 293 & 310mm Disc)
Legend
1. Hub cap
9. Inner bearing
2. Cotter pin
10. Disc
3. Nut
11. Inner bearing race
4. Washer
12. Outer bearing race
5. Outer bearing
13. Stud
6. Hub and disc assembly
14. Hub
7. Spacer
15. Dust shield
8. Oil seal
16. Adapter
N4A0265E
4C-16 FRONT AXLE
Removal
Preparation:
Jack up and support the vehicle on stands.
1. Hub cap
Use a lever to pry the hub cap from the hub.
2. Cotter Pin
3. Nut
Use a wrench to remove the nut.
4. Washer
5. Outer Bearing
6. Hub and Disc Assembly
1) Turn the caliper assembly up and around the
guide pin.
2) Remove the hub and disc assembly from the
knuckle.
7. Spacer
8. Oil Seal
9. Inner Bearing
10. Disc
1) Use an inner hex wrench (1) to loosen the disc
fixing bolts.
2) Remove the disc from the hub.
11. Inner Bearing Race
12. Outer Bearing Race
Use a hammer and a brass bar (1) to remove the
inner race and the outer race from the hub.
13. Stud
Place hub on a suitable work surface and remove
the studs (1) by using a hammer.
N4A0248E
N4A0249E
N4A0266E
N4A0267E
FRONT AXLE 4C-17
14. Hub
15. Dust Shield
16. Adapter
Inspection and Repair
Make the necessary adjustments, repairs, and part re-
placements if excessive wear or damage is discovered
during inspection.
Visual Inspection
Inspect the following parts for cracking, deformation,
and corrosion.
Disc
Use a vernier caliper to measure the disc thickness.
If the measured value is less than the specified limit, the
disc must be replaced.
Disc thickness,
Standard: 42.0 mm (1.654 in)
Limit: 39.0 mm (1.535 in)
Installation
1. Adapter
Tighten:
Adapter fixing bolt to 162 N
⋅m (16.5 kg⋅m / 119 lb⋅ft)
2. Dust Shield
Tighten:
Dust shield fixing to 13 N
⋅m (1.3 kg⋅m / 113 lb⋅ft)
3. Hub
Apply the specified amount of the approved grease
to the hub cavity (1).
Grease amount: 160 g (5.6 oz)
4. Inner Bearing Race
Legend
1. Hub
2. Disc
3. Inner bearing race
4. Outer bearing race
5. Inner bearing
6. Outer bearing
7. Wheel pins
N4A0268E
N4A0269E
N4A0270E
N4A0271E
4C-18 FRONT AXLE
5. Inner Bearing
6. Oil Seal
1) Use a hammer and the installer (1) to install the
inner bearing race (2) to the hub.
Be sure that the race is completely seated in
the hub.
Installer: 5-8840-2235-0
2) Apply grease to the inner bearing.
3) Install the inner bearing to the hub.
4) Use a plastic hammer to carefully tap the oil
seal into place.
The oil seal surfaces must be flat.
Use a new oil seal.
7. Outer Bearing Race
Use a hammer and the installer (1) to install the
outer bearing race (2) to the hub.
Be sure that the race is completely seated in the
hub.
Installer: 5-8840-2026-0
8. Stud
Insert a stud (1) using a hammer.
9. Disc
1) Install the disc to the hub.
2) Use an inner hex wrench (1) to tighten the disc
bolts to the specified torque.
Tighten:
Disc bolt to 103 N
⋅m (10.5 kg⋅m / 76 lb⋅ft)
10. Spacer
11. Hub and Disc Assembly
12. Outer Bearing
1) Turn the caliper assembly up and around the
guide pin.
2) Install the spacer and the hub and disc assem-
bly to the knuckle.
3) Apply grease to the outer bearing.
4) Install the bearing to the hub.
N4A0272E
N4A0273E
N4A0274E
N4A0266E
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