Operation CHARM: Car repair manuals for everyone.

Removing and Installing Compressor For the Level Control System


Removing and installing compressor for the level control system

Preliminary work

1. Raise vehicle at the jacking points provided.





2. Remove right cover.

Removing the compressor

The compressor -3- is only installed for the level adjustment system and is attached as a compact air supply unit with valve block -4- on a vibration-insulated support to the right underbody.





-1- - Air-spring strut, front axle

-2- - Air-spring strut, rear axle

-3- - Compressor

-4- - Valve block

Caution
Residual air can escape when removing the air lines.


- Wear protective goggles.

Information
^ Place the take-up plates of the platform lift at the jacking points so that the fastening points of the underbody panel are accessible.





^ To bleed the level adjustment system (compressed air must be released from the system), use the Porsche System Tester. To do this, in the system >> Level adjustment >> select the menu item >>Bleed << and bleed the accumulator, and front and rear axles.

^ Clean the screw connection of the lines from the valve block before removing.

^ Protect the screw connection of the lines from dirt with suitable plugs.

1. Unclip the suction line and the plug connections -arrows-.





2. Remove the air lines (color-coded) from the valve unit and the brown air line (running under the valve unit).





3. Release the mounting points on the body -A, B & C- and remove the compressor unit (compressor, valve block).





Disconnect compressor from the valve unit:

^ Release the tie-wrap and attachment at the support
^ Unclip the air line and remove
^ Remove the compressor from the support.

Installing the compressor

Information
^ Install in reverse order.

^ The air lines are colored and designated with letters.

^ Pay attention to cleanliness, if necessary clean the screw connections of the air lines with a lint-free cloth.

^ Visually inspect all parts.

^ Replace locking screws and nuts.

^ Pay attention to tightening torques.

^ To fill the level adjustment system, use the Porsche System Tester. To do this, in the system >> Level adjustment >> select the menu item >> Fill <<; then fill the front and rear axles and the accumulator. Switch on level adjustment.

1. Fit compressor on the support, clip in the line, and fasten the cable.
2. Insert compressor unit and mount on the body - (A, B & C) -.





3. Fit the air lines to the valve block.





Air lines for valve block

-1- - black
-2- - lilac
-3- - blue
-4- - green
-5- - red
-6- - yellow
-7- - brown

4. Fit the suction lines and the plug connections.
5. Fill the pneumatic system using the Porsche System Tester.

Subsequent work

Fit right cover.