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
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