ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide

Here is an illustration show you steps on how to remove and install fule filter for ISUZU 4LE2 Tier-4 engine.

 

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ISUZU IDSS MX2-T Diagnostic Tool

 

Procedures:

1 Fuel Temperature Sensor Safety Information

Caution: Add a cleaning agent to the steam cleaner and thoroughly clean the sensor and the supply pump areas.

Caution: Completely remove moisture with an air blower

Caution: Start work after checking that all foreign material has been removed.

Caution: After starting the engine, verify that there is no fuel leakage.

Caution: After replacing, verify that the trouble code is cleared and that the operations are normal with a scan tool.

 

2 Battery Ground Cable Disconnect

1 Disconnect the battery ground cable from the battery.

 

3 Cooling Fan Removal

1 Remove the cooling fan from the fan pulley.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (1)

 

4 Cooling Fan Belt Removal

1 Remove the cooling fan belt from the pulley.

Note: Loosen the generator adjust bolt and remove the belt.

 

5 Fan Pulley Removal

1 Remove the fan pulley from the water pump assembly.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (2)

 

6 Generator Removal

1 Disconnect the harness connector from the generator.

2 Remove the generator from the generator bracket.

3 Remove the adjust plate from the water pump assembly.

Note: The diagram shows the 24 V – 50 A specification.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (3)

 

7 Generator Bracket Removal

1 Remove the generator bracket from the cylinder block.

 

8 Crankshaft Pulley Removal

1 Remove the crankshaft pulley from the crankshaft.

Note:Remove after stopping the crankshaft from turning.

Caution: Do not reuse the bolt and the washer.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (4)

 

9 CMP Sensor Removal

1 Disconnect the harness connector from the CMP sensor.

2 Remove the CMP sensor from the timing gear case.

3 Remove the O-ring from the CMP sensor.

 

10 Timing Gear Case Removal

1 Remove the idle gear cover from the timing gear case.

2 Remove the timing gear case from the front oil pump plate.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (5)

 

11 Fuel Pipe Removal

1Remove the fuel pipe from the fuel supply pump and the common rail (fuel rail) assembly.

6

 

12 Fuel Return Pipe Removal

1 Remove the fuel return pipe from the fuel supply pump.

 

13 Fuel Supply Pump Removal

1 Disconnect the harness connector from the fuel supply pump.

2 Remove the fuel supply pump from the front oil pump plate.

Note: Remove the tightening bolts, and remove together with the bracket.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (7)

3 Remove the supply pump gear from the fuel supply pump.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (8)

 

4 Remove the fuel supply pump from the supply pump bracket.

Caution:Do not hold the high pressure pipe of the pump when removing the fuel supply pump.

5 Remove the O-ring from the fuel supply pump.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (9)

 

14 Fuel Temperature Sensor Removal

1 Disconnect the harness connector from the fuel temperature sensor.

2 Remove the fuel temperature sensor from the fuel supply pump.

ISUZU 4LE2 Tier-4 Engine Fuel Temperature Sensor Removal Guide (10)

More repair cases for ISUZU engine,please refer to:ISUZU Engine Trouble Repair

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