Isuzu KB P190. Manual — part 370

6A-120 ENGINE MECHANICAL (4JK1/4JJ1)

Crankshaft Front Oil Seal

Components

RTW76AMF000501

Legend

1. Bolt

2. Washer

3. Crankshaft Damper Pulley

4. Crankshaft Front Oil Seal

Removal

1. Remove the fan assembly.

• Remove the fan assembly unscrewing four

mounting nuts.

RTW56ASH025401

2. Remove the fan belt.

ENGINE MECHANICAL (4JK1/4JJ1) 6A-121

3. Remove the crankshaft pulley.

Note:
Do not reuse the bolt and the washer.

LNW61ASH005301

4. Remove the crankshaft front oil seal.

• Remove only the oil seal with a screwdriver or

the like, avoiding damage to the oil seal contact

surface on the front cover and the shaft.

Installation

1. Install the crankshaft front oil seal.

• Use the special tool to install the front oil seal.

Front Oil Seal

Installer: 5-8840-2821-0 (1)

RTW56ASH016501

• Apply engine oil to the lip of the oil seal.
• With the seal pressed in check the dimension

of the oil seal section.

Standard Dimension = 1.5 mm (0.06 in)

RTW56ASH016601

2. Install the crankshaft damper pulley.

• Install the crankshaft pulley aligning with the

key on the crankshaft.

• Hold the flywheel ring gear stationary to prevent

the crankshaft from turning when tightening the

damper pulley bolt.

Tightening torque: 294 N

⋅⋅⋅⋅m (30 kg⋅⋅⋅⋅m/217 lb ft)

• Take care not to damage the crankshaft

damper pulley boss.

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3. Install the fan belt.

• Refer to “Engine Cooling”

6A-122 ENGINE MECHANICAL (4JK1/4JJ1)

Torque Specifications

RTW76AMF000601

Special Tools

ILLUSTRATION

PART NO.

PART NAME

5-8840-2821-0

Oil seal installer

ENGINE MECHANICAL (4JK1/4JJ1) 6A-123

Crankshaft Rear Oil Seal

Components

RTW56ALF002501

Legend

1. Crankshaft Rear Oil Seal

2. Flywheel

3. Driven

Plate

4. Clutch Pressure Plate

5. Transmission

Assembly