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