Isuzu N-Series. Manual - part 183

FRONT AXLE 4C-27

12. Wheel and Tire

Front Axle Assembly (4 

× 2 Model)

Legend

1. Bolt
2. Disc brake caliper assembly

Legend

1. Wheel and tire

4. Drag link

2. Brake flexible hose

5. U-bolt

3. Shock absorber

6. Front axle assembly

N4A0294E

4C-28 FRONT AXLE

Removal

Preparation:
Jack up and support the vehicle on stands.

1. Wheel and Tire
2. Brake Flexible Hoses

Loosen the nut (2), then pry off a clip (1).

3. Shock Absorber
4. Drag Link

Disconnect the drag link, using a special tool.
Remover: 5-8840-2017-0

5. U-Bolt

Loosen the U-bolts after setting jack against the
front axle. If the U-bolts are heavily rusted, apply a
generous amount of oil to the threads before loos-
ening them to prevent seizure.

6. Front Axle Assembly

Installation

1. Front Axle Assembly
2. U-bolt and Nut

Position the U-bolts and helper rubber on the leaf
spring assemblies and jack up the front axle. When
tightening the nuts, apply oil as necessary to pre-
vent damaging the threads.

Tighten:
U-bolt nut to

• NQR: 196 N

⋅m (20 kg⋅m / 145 lb⋅ft)

• NHR, NKR, NPR: 127 N

⋅m (13 kg⋅m / 94 lb⋅ft)

3. Drag Link

Tighten drag link nut to specified torque, with just
enough additional torque to align cotter pin holes.
Install new cotter pin.

Tighten:
Drag link nut to 167 N

⋅m (17 kg⋅m / 123 lb⋅ft)

N4A0295E

N4A0296E

N4A0297E

N4A0297E

FRONT AXLE 4C-29

4. Shock Absorber

Refer to illustration for installation of shock absorb-
er, nut, washer and rubber bushing (1).

5. Brake Flexible Hose

Set first the wheels in the straight going position,
then attach the flexible hose to the bracket without
torsion using a (1).
Connect the pipe, then tighten the nut (2) to the
specified torque.

Tighten:
Brake flexible hose to 16 N

⋅m (1.6 kg⋅m / 12 lb⋅ft)

Perform bleeding operation after installation of the
brake flexible hoses.
Refer to Section 5 “Service information” for brake
fluid air bleeding procedure.
Also inspect wheel alignment after completion of
front axle removal and installation.

6. Wheel and Tire

N4A0299E

N4A0300E

4C-30 FRONT AXLE

Knuckle and King Pin (4 

× 2 Model)

Legend

1. Wheel and tire

9. Key bolt

2. Hub with brake drum

10. Plate plug

3. Cover

11. King pin

4. Wheel brake assembly

12. Knuckle

5. Tie rod assembly

13. Shim

6. Knuckle arm

14. Thrust bearing

7. Tie rod arm

15. I-beam

8. King pin cover

N4A0418E