ISUZU 4LE2 Tier-4 Engine Fuel Filter Removal and Installation 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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Procedures:

Fuel Filter Removal

1 Disconnect the harness connector from the fuel sedimenter switch.

2 Remove the fuel feed hose from the fuel filter.

Caution: To prevent fuel outflow, be sure to plug the disconnected hose.

3 Remove the fuel return hose from the fuel filter.

Caution:To prevent fuel outflow, be sure to plug the disconnected hose.

4 Remove the fuel filter from the engine.

 

Fuel Filter Installation

1 Install the fuel filter to the engine.

2 Install the fuel return hose to the fuel filter.

3 Install the fuel feed hose to the fuel filter.

4 Connect the harness connector to the fuel sedimenter switch.

 

2 Fuel Filter Air Bleed

1 Loosen the plug using a wrench.

2 Operate the priming pump.

Note: Press the priming pump until it becomes hard.

3 Tighten the plug using a wrench.

tightening torque： 10 N・m { 1.0 kgf・m / 89 lb・in }

4 Operate the priming pump.

Note:Operate until the opening sound of the overflow valve is heard.

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