Isuzu KB P190. Manual — part 358

6A-72 ENGINE MECHANICAL (4JK1/4JJ1)

Cylinder Head

Components

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1. Fuel Injector Clamp

2. Fuel Injector Assembly

3. Glow

Plug

4. Intake and Exhaust Valves

5.

Cylinder

Head

6. Timing Chain Tension Lever

7. Timing Chain Guide

8. Timing Chain Tensioner

Note:
To avoid electric shock;
Set the switch to the 'OFF' position and disconnect the
negative battery cable before checking or repairing the
fuel injector, wiring or/and connectors.

Removal

1. Remove the engine head cover.

2. Drain the engine coolant.

ENGINE MECHANICAL (4JK1/4JJ1) 6A-73

3. Remove the radiator upper hose.

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4. Remove the fan guide.

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1. Fan

Guide

2. Clips

3. Lower Fan guide

4. Fan

Shroud

5. Remove the cooling Fan.

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6. Rotate the crankshaft to make the No.1 cylinder

meet the compression top dead center (TDC).

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1. TDC

7. Remove the A/C compressor drive belt.

6A-74 ENGINE MECHANICAL (4JK1/4JJ1)

8. Remove the A/C compressor adjust pulley.

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1. Bolt

2. Nut

9. Remove the battery.

10.

Disconnect the A/C compressor connector and

A/C compressor with hose.

11. Remove the A/C compressor bracket.

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1. A/C Compressor Bracket

2. Intake

Duct

3. A/C

Compressor

12. Remove the intercooler (High output).

• Disconnect the BARO sensor harness

connector (2).

• Remove the two intake hoses.
• Remove the intercooler (1).

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13.

Remove the intake hose and duct (Standard

output).

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Legend

1. Intake Hose for Intercooler and Intake Throttle

2. Intake Duct for Turbocharger and Air Cleaner

3. Intake Hose for Turbocharger and Intercooler

ENGINE MECHANICAL (4JK1/4JJ1) 6A-75

14. Disconnect the fuel injector connector (2).

15. Remove the fuel leak off hose (1).

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Note:
Do not reuse the fuel leak off hose clips.

16. Disconnect each connector.

• Glow

Plug

• EGR

Valve

• Throttle

Assembly

• Barometric

Sensor

• Water temperature sensor
• Camshaft Position sensor

17. Remove the harness bracket.

18. Remove the cylinder head cover.

Refer to “Cylinder Head Cover”.

19. Remove the EGR cooler heat protector.

20. Remove the EGR cooler water pipe.

21. Remove the EGR cooler.

22.

Loosen the nuts of catalyst converter and

turbocharger.

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1. Catalyst

Converter

2. Turbocharger

23. Remove the exhaust front pipe.

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1. Exhaust Front Pipe (4×2 High Ride Suspension,

4×4)

2. Exhaust Front Pipe (4×2 Except High Ride

Suspension)