Here is an illustration show you steps on how to remove and install fule filter for ISUZU 4LE2 Tier-4 engine.
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.
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.
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.
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.
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.
11 Fuel Pipe Removal
1Remove the fuel pipe from the fuel supply pump and the common rail (fuel rail) assembly.
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.
3 Remove the supply pump gear from the fuel supply pump.
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.
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.
More repair cases for ISUZU engine,please refer to:ISUZU Engine Trouble Repair