Fuel Rail and Injectors Overview

Fuel Rail and Injectors Overview


Follow the safety measures for releasing the high side fuel. Refer to => [ High Side Fuel Pressure, Releasing ] Service and Repair.






1 Cylinder 1 Fuel Injector (N30) to Cylinder 4 Fuel Injector (N33)

• Removing and installing, refer to => [ Fuel Injectors ] Fuel Injectors.

2 Bolt

• 8 Nm

3 Fuel Rail

• Removing and installing, refer to => [ Fuel Rail ] Fuel Rail.

4 Low Pressure Fuel Hose

• To the high pressure pump.

5 Pressure Relief Valve

• 30 Nm

• To remove and install, remove the intake manifold. Refer to => [ Intake Manifold ] Intake Manifold.

6 Plate Nut

7 Low Pressure Pipe

• Tighten the union nut to 22 Nm.

• Counter hold the pressure relief valve when loosening the union nuts.

• Check the tightening specification for the pressure relief valve before installing.

• Do not install when under tension.

8 Bracket

9 High Pressure Pipe

• Tighten the union nuts to 27 Nm.

• Counter hold the threaded connection when loosening the union nuts.

• Check the tightening specification for the threaded connection before installing.

• Do not install when under tension.

10 Bolt

• 3 Nm

11 Connector

• For the fuel injectors.

12 Connector

• For - items 16 and 17 -.

13 Connector

• For - item 11 -.

14 Wire Strip

15 Clip

• Attach to the intake manifold sleeve on the right side at the bottom.

16 Connector

• For the camshaft position sensor (G40).

17 Connector

• For the fuel pressure sensor.

18 Bolt

• 5 Nm

19 Fuel Pressure Sensor (G247)

• 22 Nm

• Coat the thread and sealing point with clean engine oil.

• Removing and installing, refer to => [ Fuel Pressure Sensor (G247) ] Service and Repair.

• Checking, refer to => [ Fuel Pressure Sensor, Checking ] Testing and Inspection.

20 Threaded Connection

• 30 Nm