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Fuel pressure regulator

Fuel pressure regulator

Warning

Removal of the fuel pressure regulator involves partial dismantling of the car's fuel system. The following points must therefore be observed in connection with this work:

Work only in a well-ventilated area! If approved equipment for the extraction of fuel vapour is available then make sure it is used.

Wear suitable gloves! Prolonged contact with fuel can cause skin irritation.

Keep a class BE fire extinguisher close by! Be mindful of the danger of sparks caused by short circuits and when connecting and disconnecting leads in electrical circuits.

Smoking is strictly forbidden.


To remove


Important

To minimize any remaining fuel pressure, remove the fuel pump fuse no. 32 while the engine is idling. Turn off the ignition once the engine has stopped.

Fit fuse no. 32.



1. Remove the engine cover.

2. Remove the turbo delivery pipe by:

detaching the hose from the turbo pressure sensor

undoing the screw securing the bypass pipe to the turbo unit inlet pipe.

unplugging the connector to the temperature sensor on the turbo delivery pipe

undoing the hose clips on the throttle body and charge air hose

undoing the screw securing the turbo delivery pipe to the mounting on the cylinder head.

3. Detach the vacuum hose from the fuel pressure regulator.

4. Undo the screw and open the clamp.

5. Work loose the fuel pressure regulator.


To fit



1. Lubricate the fuel pressure regulator O-ring with acid-free vaseline, part no. 30 06 665.

2. Fit the regulator to the fuel rail and tighten the clamp.

3. Fit the regulator vacuum hose.

4. Fit the turbo delivery pipe.

5. Start the engine and check for leaks.

6. Fit the engine cover.