Preliminary Procedures

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
2. Remove the engine sight shield. Refer to Engine Sight Shield Replacement .
3. Remove the fuel injection return hoses. Refer to Fuel Injection Fuel Return Hose Replacement .
4. Remove the fuel injection feed pipes. Refer to Fuel Injection Fuel Feed Pipe Replacement .

1

Fuel Injector Fastener

Caution: Refer to Fastener Caution in the Preface section.

Tighten
28 N·m (21 lb ft) + 65 degrees

2

Fuel Injector Hold Down Clamp

3

Fuel Injector

Procedure

1. Disconnect the electrical connector.
2. If reusing the injectors, mark the location of each injector prior to removal to avoid engine performance problems.
3. Remove the fuel injector using EN-50428 remover.
4. Upon completion of the repair, perform the fuel system priming procedure. Refer to Fuel System Priming .

Special Tools

EN-50428 Injector Remover

For equivalent regional tools, refer to Special Tools .