Air Supply Unit Upper Section

Air Supply Unit Upper Section

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1410)

• Do not clean the air supply unit with chemical or with a high pressure cleaner.

• Use a lint-free cloth to clean the air supply unit.

• Make absolutely sure that no dirt enters the open air lines/air line connections, connectors and electrical connections.

Removing






- Remove the air supply unit, the bracket and the solenoid valve block. Refer to => [ Air Supply Unit with Solenoid Valve Block ] Air Supply Unit With Solenoid Valve Block.

- Free up the air line - 1 - at the retainers - 2 -. Push the locking rings - arrows - downward and remove the air line - 1 -.

- Push the locking ring - arrow - downward and remove the air line - 1 - to the solenoid valve block.






- Disconnect the connector - 1 - from the level control system solenoid (N111) and free up the wire.






- Loosen the bolt - 1 - and remove the level control pump temperature sensor (G290) - 2 -.






- Remove the bolts - arrows -.






- Carefully remove the air supply unit upper section - 1 - from the air supply unit lower section - 2 -.






- Remove the O-ring - 3 - and clean the contact surface.

• Be careful not to get any dirt in the compression chamber while cleaning the contact surface.

Installing

Install in reverse order of removal. Note the following:

Tightening specifications, refer to => [ Air Supply Unit and Solenoid Valve Block Overview ] Air Supply Unit and Solenoid Valve Block Overview