Air Spring Damper

Air Spring Damper

Special tools, testers and auxiliary items required

• Tensioner Hooks (VW 552)

• Torque Wrench (V.A.G 1332)

• Engine/Gearbox Jack (V.A.G 1383 A)

• Socket, nominal size 14 mm (T10099/1)

• Wheel Hub Support (T10149)

• Ball Joint Puller (T10187)

• Vehicle Diagnostic Tester (VAS 5051B)

Removing

• During assembly work, make sure that no indentations form on the protective boot of the air spring shock absorber!

- Remove the engine compartment cover

Right Air Spring Shock Absorber in Vehicles with a Diesel Engine

- Remove the fuel filter over the air spring shock absorber.

Left Air Spring Shock Absorber in Vehicles with a Hybrid Drive

- Unclip the lines - 1 - from the brackets - arrows -.

- Remove the nuts - arrows -.

Continuation for All Vehicles

- Activate the vehicle lift mode and place the vehicle on the lifting platform. Refer to => [ Vehicle Lift Mode ] Description and Operation.

- Disconnect the harness connector - 1 -.






- Unscrew the nuts - arrows - and remove the ring - 2 -.

- Loosen the wheel bolts.

- Raise the vehicle.

- Remove the wheel.

- Bleed the air spring shock absorber with the (VAS 5051B).

- Using the (VW 552) - 1 -, hook the upper control arm to the body and pretension it slightly.






- Pull the pin - 2 - for the left front level control system sensor/right front level control sensor (G78/G289) downward and unclip the coupling rod at the upper control arm.






- Remove the air line from the pressure-holding valve - 1 - and seal both connections.






- Disconnect the drive axle from the front final drive.

- Remove the upper brake line bracket - 1 - from the wheel bearing housing - arrow -.






- Pull the harness connector - 1 - and cable out of the bracket - 3 -.






- Remove the bolt - 2 - and the lower line hose bracket - 3 - from the wheel bearing housing.

- Turn the wheel hub until one of the holes for the wheel bolts is on top.

- Install the (T10149) using a wheel bolt.






- Support the wheel bearing housing.

- Loosen the nut on the conical pin, but do not unscrew yet.






To protect thread, screw nut on pin a few turns.

- Press out the upper control arm and unscrew the nut.

1. (T10187)


- Tilt the wheel bearing housing with the (T10149) and the (V.A.G 1383 A) outward.

- Unscrew the threaded connection - 1 -.






- Unscrew the bolt - 1 - for the air spring shock absorber - 2 - on the control arm.






- Press the upper control arm upward, press the air spring shock absorber together and remove.

Installing

Installation is the reverse of removal, with special attention to the following:

The air line has 2 markings.






Insert the air line until the front marking - arrow A - is completely covered by the union nut.

Only the second marking - arrow B - may still be visible on the air line.

- Install the wheel and tighten the wheel bolts. Refer to => [ Wheel Bolt Torque Specification ] [1][2]Specifications.

- Fill the air spring shock absorber using the (VAS 5051B).

Tightening Specifications