Bleeding The Entire Air Suspension System And Pressure Accumulator With Partial Loss Of System Air

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

This function is used for bleeding when working on the system and/or the pressure accumulator. Some of the system air is lost in the process.

Bleeding

Select >>Levelling system/PASM<< >>Maintenance/repairs<< >>Vent total air suspension system<< in the control unit overview and follow the instructions on the Porsche System Tester.
Filling
When the work is complete, have the compressed gas bottle with the relevant pressure reducer unit, pressure gauge and adapter ready.
Connect the compressed gas bottle to the pressure accumulator and set the pressure → Pressure: 17 bar to the max. setting (shown as an example!)

Fig 1: Connecting Compressed Gas Bottle To Pressure Accumulator
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Select >>Levelling system/PASM<< >>Maintenance/repairs<< >>Filling air suspension system/individual components<< in the control unit overview and follow the instructions on the Porsche System Tester.
Once you have filled the system successfully, remove the compressed air bottle and adapter.
Set the vehicle down on its wheels and calibrate the air suspension system. → 430115 CALIBRATION