Panamera S (970) V8-4.8L (2010)
Connecting compressed air supply
8. Open both shut-off valves on the vacuum pressure gauge until the transparent filler hose has completely filled with coolant.
Shutoff valves on vacuum pressure gauge
9. Close the left shutoff valve (V1) -arrow- on the vacuum pressure gauge and allow a vacuum to build up in the coolant circuit.
Closing left shutoff valve (V1)
10. When there is a sufficient vacuum in the cooling system (indicator is in the green area), close the right shutoff valve (V2) and then disconnect the
compressed air supply.