Removing
1. Install the car in "Service mode" (only on vehicles with air suspension). Press button 1 from below for about 2 seconds before lifting (see fig.7.20).
Pic. 7.20. Lift height sensor (vehicles 638.0/1 and 638.2 with rear air suspension):
1. Service button,
2. Wiring connector,
3. Adjusting lever,
4. Lower arm,
5. Support,
6. height sensor,
7. Support bolts,
8. Height sensor mounting bolts.
2. Raise and secure the vehicle.
3. Disconnect wiring connector 2.
4. Unscrew adjusting rod 3 from lower arm 4.
5. Remove support 5 and height sensor 6 from the body by unscrewing bolts 7.
6. Remove the height sensor 6 from the support by unscrewing the bolts 8.
Installation
7. Installation is made in an order, the return to removal.