Front Suspension

Air Spring Damper

Special tools, testers and auxiliary items required

• Torque Wrench 5-50 Nm (V.A.G 1331)

• Torque Wrench 40-200 Nm (V.A.G 1332)

• Torque Wrench (V.A.G 1783)

• Insert Tool 10 (V.A.G 1783/1)

• Wood block (hardwood) 30 x 50 x 1000 mm

• Spreader (3424)

• Tensioning Strap (T10038)

• Single Tester (VAS 5052 A/1)

• Vehicle Diagnosis Tester

Removing

• During assembly work, make sure no pressure points form on the suspension strut boot.

- Place the vehicle on a hoist. Refer to => [ Raising and Lowering ] Description and Operation.

- Remove the tower brace. Refer to => [ Tower Brace ] Front Suspension.

- Remove the bolts - arrows - and move the windshield washer fluid reservoir - 1 - slightly to the side.






- Remove wheel trim cap, remove cover cap on light-alloy wheels (removal hook in vehicle tool kit).

- Remove the wheel.

- Clean air connection on the air spring damper.

- Disconnect electrical connector - 1 -.






- Remove the connecting piece from the residual pressure retaining valve - 2 -. Air escapes then.

- Remove the clip - arrow - and free up the lines - 3 -.

• Do not loosen or remove the residual pressure valve - 2 -.

- Seal both connections. Make sure that no dust particles enter connections.

- Secure the wheel housing liner using a (T10038) - 1 -, as illustrated.






- Remove the bolt - arrow - and remove the bracket - 1 - brake line and electric wires from the wheel bearing housing.






- Remove shock absorber fork. Refer to => [ Shock Absorber Fork ] Front Suspension.

- Remove the nuts - arrows - and remove the air spring damper.






• When removing the air spring damper, make sure the protective sleeves on the steering, drive axle and air spring damper are not damaged.

If the air spring damper will be replaced, note the information found here. Refer to => [ Air Spring Damper, Filling ] Front Suspension.

Installing

Install in reverse order of removal. Note the following:

Tightening specifications, refer to => [ Air Spring Damper/Steel Spring Damper, Shock Absorber Fork, Upper Control Arm and Tower Brace Overview ] Air Spring Damper/Steel Spring Damper, Shock Absorber Fork, Upper Control Arm and Tower Brace Overview.

Tightening specifications, refer to => [ Track Control Arm, Ball Joint, Guide Link and Level Control System Sensor Overview ] Track Control Arm, Ball Joint, Guide Link and Level Control System Sensor Overview.

• During assembly work, make sure no pressure points form on the suspension strut boot.

- First secure the air spring damper on the body.

- Tighten the new nuts - arrows - diagonally.






- Start the correct program in the vehicle diagnosis tester and fill the air suspension system.

- Start the correct program in the vehicle diagnosis tester and program the control position again.