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High Pressure Pump Overview






High Pressure Pump Overview






1 Low Fuel Pressure Sensor (G410)

15 Nm

2 Seal

Replace

3 Bolt

Tighten by hand in a diagonal sequence and then tighten to 5 Nm

Final tightening specification: 20 Nm

Do not tilt the high pressure pump

4 High Pressure Pump

With fuel metering valve (N290)

Removing and installing, refer to => [ High Pressure Pump ] High Pressure Pump

Do not disassemble

5 Threaded Connection

Connectors should not show any signs of damage

Tighten using a 14 mm open end spanner insert (V.A.G 1331/9)

27 Nm

6 Fuel Supply Hose

Low pressure side

7 High Pressure Fuel Line


Do not let fuel come into contact with skin.

Before opening high pressure area of the fuel injection system, fuel pressure must be relieved to residual pressure.

Reduce the fuel pressure in the high pressure area => [ Before Opening High Pressure Fuel Injection System ] Service and Repair.

Removing and installing, refer to => [ High Pressure Line ] Service and Repair

27 Nm

8 Gasket

Replace

9 Housing

10 Camshaft Position Sensor (G40)

Removing and installing, refer to => [ Camshaft Position Sensors (G40)/(G163) ] Service and Repair

11 Bolt

Tightening specifications => [ (Item 1) Bolt ] Ignition Overview

12 O-ring

Replace

Lubricate O-rings with clean engine oil before installing

13 Protective Plate

For high pressure line

14 Nut

9 Nm

15 Stud

9 Nm

16 Roller Tappet

Can be installed in one position only

Lubricate O-rings with clean engine oil before installing

17 O-ring

Replace

Lubricate O-rings with clean engine oil before installing