Operation CHARM: Car repair manuals for everyone.

Level Control System Solenoid (N111)






Level Control System Solenoid (N111)

Special tools, testers and auxiliary items required

Torque Wrench (V.A.G 1783)

Removing

The level control system solenoid is located on the air supply unit.

- Place the vehicle on a hoist. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.

- Vent the system. Refer to => [ System, Venting or Filling ] Service and Repair.

- Turn the ignition off.

- Remove nuts - 1 -.






- Remove the stone chip protective molding - 2 -.

Make sure no dirt gets into the pressure air system.

Clean the area before removing connecting pieces for the air pipe lines or other components of the pressured air system.

Seal off any open pressure lines and connections in the pressure system immediately with plugs or cover them.

- Disconnect the connector - 1 - from the level control system solenoid - 3 -.






- Remove the bolts - 2 -.

- Remove the level control system solenoid - 5 -. the O-rings - 1 and 4 -, the spring - 3 - and the anchor - 2 -.






The O-ring - 1 - may still be located inside the air supply unit housing.

Installing

Install in reverse order of removal. Note the following:

Always replace the O-rings.

- Coat the new O-rings - 1 and 4 - with the supplied grease.






Note the anchor installation position - 2 -. The chamfer must point toward the spring - 3 -.

Do not tilt the level control system solenoid when installing it and when tightening the bolts.

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

Tightening specifications, refer to => [ Air Line Connecting Pieces Tightening Specification ] Description and Operation

Tightening specification for the nuts on the stone chip protection: 9 Nm

- Fill the system. Refer to => [ System, Venting or Filling ] Service and Repair.

- Place vehicle on wheels. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.