Isuzu N-Series. Manual - part 374

6A3-148 ENGINE (4HF1 / 4HF1-2 / 4HE1-TC / 4HG1 / 4HG1-T)

Engine Upper Side

Engine Front Side

N6A0762E

N6A1644E

ENGINE (4HF1 / 4HF1-2 / 4HE1-TC / 4HG1 / 4HG1-T) 6A3-149

Engine Right Side

Legend

1. Radiator upper hose

4. Fan guide

2. Coolant reserve tank hose/Bypass hose

5. Radiator

3. Radiator lower hose

6. Fan

Legend

1. Front exhaust pipe

4. ACG vacuum hose

2. Power steering pump

5. ACG harness

3. A/C compressor

N6A0764E

6A3-150 ENGINE (4HF1 / 4HF1-2 / 4HE1-TC / 4HG1 / 4HG1-T)

Engine Mounting Side

Removal

Preparation

• Disconnect battery ground cable
• Tilt the cab
• Remove the transmission panel
• Drain coolant

Transmission Side

1. Propeller shaft Assembly

1) Put in advance an alignment mark to the drum

and the flange yoke.

2) Put the drum and the flange yoke aside and

hang them with a wire so that they do not inter-
fere with servicing work.

2. Car Speed Sensor Connector
3. Neutral Switch Connector
4. Back-up Lamp Connector
5. Harness Connector

Remove the connectors from the harness bracket.
At that time, take care not to cause any damages
to the clips.

6. Parking Brake Cable

Remove the clip and slide the cover provided in the
middle of the cable. Then, loosen the longer nut on
the front side of the vehicle to disconnect the park-
ing brake cable.

Legend

1. Engine mount

2. Engine assembly

N6A0765E

N6A0750E

ENGINE (4HF1 / 4HF1-2 / 4HE1-TC / 4HG1 / 4HG1-T) 6A3-151

7. Shift Cable
8. Select Cable
9. Clutch Slave Cylinder

1) Disconnect the clutch return spring from the

clutch slave cylinder.

2) Remove the slave cylinder from the clutch shift

fork.

10. Starter Earth Cable
11. Starter

1) Disconnect the battery cable at the starter mo-

tor.

2) Remove the starter assembly from flywheel

housing.

12. Transmission Mounting Nut

1) Check that the engine lifting is securely sup-

porting the engine.

2) Remove the engine rear mounting bracket nuts

from the No.3 crossmember.

13. Transmission Assembly

Remove the transmission nuts and bolts from the
flywheel housing.

• Remove the transmission by pulling it toward

the rear of the vehicle while slowly lowering the
transmission jack.

Engine Left Side

1. Intake Air Duct
2. Heater Hose
3. Vacuum Hose
4. Engine Stop Cable

Loosen locking nut at bracket and disconnect en-
gine stop cable from injection pump stop lever.

5. Accelerator Control Cable

Loosen locking nut at bracket and disconnect ac-
celerator control cable from injection pump control
lever.

6. Fuel Return Hose
7. Fuel Feed Hose

Disconnect fuel hose from injection pump side and
take care not to spill and enter dust.

Engine Front Side

1. Radiator Upper Hose
2. Coolant Reserve Tank Hose/Bypass Hose
3. Radiator Lower Hose
4. Fan Guide
5. Radiator
6. Fan

Engine Right Side

1. Front Exhaust Pipe
2. Power Steering Pump

Remove the power steering pump from the engine
side with the bracket attached, and fasten it with a
wire to the appropriate location, together with the
hoses.

3. Air Conditioning (A/C) Compressor (If equipped

with A/C)
1) Remove the A/C compressor drive belt.
2) Dismount the compressor from the A/C com-

pressor bracket, and fasten it with a wire to the
appropriate location, together with the hoses.

4. ACG Vacuum Hose

Disconnect the vacuum hoses from vacuum pump
side.

5. ACG Harness

Disconnect the B terminal cable and harness con-
nector from generator.

Engine Mounting Side

1. Engine Mount

Attach lifting wires to the engine lifting hangers and
slightly raise the engine.
Remove the engine mounting rubber nuts attach-
ing the engine mounting crossmembers.

N6A0751E

N6A0752E