Air Suspension Strut
Air Suspension Strut
Special tools, testers and auxiliary items required
• Torque Wrench 50-200 Nm (V.A.G 1332)
• Insert Tool (T10212)
• Wood Block (hardwood) 30 x 50 x 1300 mm
Removing
• During assembly work, ensure no pressure points are created on suspension strut (air suspension) boot.
- With vehicles with air suspension, place vehicle on hoist. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.
- Remove wheel.
- Insert wood block between underbody - Arrow A - and upper rear control arm - Arrow B -.
Wood block is needed to press wheel bearing housing down.
- Disconnect connector - arrow 1 - for dampening adjustment valve.
- Remove suspension strut (air suspension) from wheel bearing housing - arrow 2 -.
- Push the wheel bearing housing downward using a block of wood until it is possible to remove the bolt - arrow 2 -.
- Clean area around the wiring connection.
- Remove air supply line and seal off both connectors.
- Disconnect suspension strut (air suspension) - arrows - and remove.
Installing
Install in reverse order of removal. Note the following:
• Bonded rubber bushings can only be turned to a limited extent. Only tighten suspension bolts when vehicle is in curb weight or control position.
• Wheel bearing, lifting to curb weight position on vehicles with coil springs. Refer to => [ Wheel Bearing in Curb Weight, Lifting Vehicles with Coil Spring ] Wheel Bearing In Curb Weight, Lifting Vehicles With Coil Spring.
• For vehicles with air spring suspension, lift wheel suspension in control position. Refer to => [ Wheel Bearing in Control Position, Lifting Vehicles with Air Suspension ] Wheel Bearing In Control Position, Lifting Vehicles With Air Suspension.
Tightening specifications, refer to => [ Air Suspension Strut and Crossmember Overview ] Rear Axle Overview
- On vehicles with air suspension, position vehicle on wheels. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.
- Tighten the wheels.
- On vehicles with automatic headlamp range control system, perform a basic setting on the headlamps.