Isuzu N-Series. Manual — part 484
Engine Mechanical (4HK1-TC) 6A-41
Torque Specifications
N6A6052E
6A-42 Engine Mechanical (4HK1-TC)
N6A6053E
Engine Mechanical (4HK1-TC) 6A-43
Timing Gear Train
Component
Legend
1. Power Steering Pump
2. Idle Gear B Shaft
3. Idle Gear A
4. Idle Gear B
5. Power Steering Pump Idle Gear
6. Power Steering Pump Idle Gear Cover
7. Clutch Pressure Plate
8. Driven Plate
9. Flexible Plate (Smoother)
10. Flywheel (M/T)
11. Rear Oil Seal
12. Flywheel Housing
13. Slinger
14. Plug
15. Crankshaft Position Sensor
16. Crank shaft End Spacer (Smoother)
17. Oil Pan
18. Fuel Supply Pump
Removal
1. Remove the cylinder head cover.
Refer to “Cylinder Head Cover”.
2. Remove the rocker arm shaft assembly.
Refer to “Rocker Arm Shaft Assembly”.
3. Remove the camshaft assembly.
Refer to “Camshaft Assembly”.
4. Remove the cylinder head assembly.
Refer to “Cylinder Head”.
1
2
3
12
13
4
6
5
10
8
9
7
15
17
18
14
16
11
N6A6514E
6A-44 Engine Mechanical (4HK1-TC)
5. Remove the fuel supply pump assembly.
Refer to “Fuel Supply Pump” in Section 6C.
6. Remove the crankshaft position sensor.
• Remove the crankshaft position sensor before
remove flywheel.
7. Remove the flywheel.
• Install the crankshaft stopper on the starter part
of the flywheel housing to stop the crankshaft
from rotating.
Caution:
Check if the stopper meshes with the ring gear without
fail and is installed properly.
Special tool
Crankshaft stopper: 5-8840-2230-0 (EN-47680)
• Loosen the fastening bolts of the flywheel little
by little according to the order given on the
figure.
• After loosening all the bolts, remove the stopper
to remove the flywheel.
In the case of smoother vehicle, after loosening the
bolts to fasten the flexible plate, remove the
washer, the flexible plate, the spacer according to
this order.
Legend
1. Pilot Bearing
2. Washer
8. Remove the rear oil seal and the slinger.
Refer to “Crankshaft Rear Oil Seal”.
9. Remove the oil pan.
10. Remove the power steering pump.
11. Remove the power steering pump idle gear cover.
N6A6055E
N6A6056E
N6A6057E
N6A6504E
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