Isuzu KB P190. Service manual — part 371

6A-124 ENGINE MECHANICAL (4JK1/4JJ1)

Removal

1. Remove the flywheel.

Refer to "Flywheel".
• With the oil seal pushed in deep, install the

special tool as shown in the illustration and

remove the oil seal.

Oil Seal Remover: 5-8840-2360-0

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Installation

1. Install the crankshaft rear oil seal.

• Use an oil seal install to install the crankshaft

rear oil seal.

Oil Seal Installer: 5-8840-2359-0

RTW56ASH022901

2. Install the flywheel.

Refer to "Flywheel".

ENGINE MECHANICAL (4JK1/4JJ1) 6A-125

Special Tools

ILLUSTRATION

PART NO.

PART NAME

5-8840-2359-0

Oil seal installer

5-8840-2360-0

Oil seal remover

6A-126 ENGINE MECHANICAL (4JK1/4JJ1)

Crankshaft

Components

RTW56ALF002601

Legend

1. Upper

Bearing

2. Thrust

Bearing

3. Gear

4.

Crankshaft

5. Lower

Bearing

6. Bearing

Cap

ENGINE MECHANICAL (4JK1/4JJ1) 6A-127

Removal

1. Demount the engine assembly.

Refer to "Engine Assembly".

2. Remove the cylinder head cover.

Refer to "Cylinder Head Cover".

3. Remove the camshaft.

Refer to "Camshaft Assembly".

4. Remove the cylinder head.

Refer to "Cylinder Head".

5. Remove the fuel supply pump and fuel rail.

Refer to "Fuel Supply Pump" and "Fuel Rail" in the

fuel system section.

6. Remove the front cover.

Refer to "Front Cover".

7. Remove the crankshaft rear oil seal.

Refer to "Crankshaft Rear Oil Seal".

8. Remove the water pump.

Refer to "Water Pump" in Cooling System Section.

9. Remove the timing gear train.

Refer to "Timing Gear Train".

10.Remove the oil pump.

Refer to "Oil Pump".

11. Remove the gear case assembly.

Refer to “Gear Case Assembly”.

12. Remove the crankshaft gear.

901R100008

13. Remove the crank case.

Refer to "Crank Case and Oil Pan".

14.Remove pistons and connecting rods.

Refer to "Piston and Connecting Rod".

15. Remove the bearing cap.

• Loosen the crankshaft bearing cap bolts in

numerical order a little at a time.

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16.Remove the lower crankshaft bearings.

17.Remove the crankshaft assembly.

18.Remove the thrust bearing.

19.Remove the upper crankshaft bearings.

Disassembly

1. Remove the crank angle sensor rotor (1).

• Confirm that the pin (2) is not removed.

RTW76ASH001501