volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pressure Regulator|Locations|Page 3032 > < Fuel Pressure Regulator|Locations|Page 3030
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Fuel Pressure Regulator: Service and Repair

High Pressure Pump with Fuel Pressure Regulator Valve Assembly Overview

CAUTION!
Fuel system is under pressure! Before opening high pressure components of the fuel injection system, the fuel pressure must be relieved to
residual pressure, procedures. Refer to --> [ High Side Fuel Pressure Releasing ] See: Fuel Tank/Service and Repair/Procedures/High
Side Fuel Pressure Releasing. 

1

Roller Tappet

‹› Remains inserted in the cylinder head after removing the high pressure pump, removable.

2

O-ring

‹› Always replace.

3

High Pressure Pump

‹› An electric fuel pump, located in the fuel tank, supplies fuel to the mechanical high pressure pump at a pressure of approximately 7 bar.

‹› When installing the high pressure pump, make sure that no dirt enters the fuel system.

‹› The fuel system must be pressureless to install the high pressure pump, releasing fuel pressure. Refer to --> [ High Side Fuel Pressure

Releasing ] See: Fuel Tank/Service and Repair/Procedures/High Side Fuel Pressure Releasing. 

‹› Install the fuel line to the fuel rail free from tension.

‹› Removing and installing, refer to --> [ High Pressure Pump ] See: Fuel Pump/Service and Repair/Removal and Replacement/High Pressure

Fuel Pressure Regulator|Locations|Page 3032 > < Fuel Pressure Regulator|Locations|Page 3030