Isuzu N-Series. Service 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
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