Cayenne (9PA) V6-3.2L (2006)
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Note: A hissing sound after connecting the compressed air supply is usual.
7. Connect the compressed air supply.
8. Open both shut-off valves on the vacuum pressure gauge until the transparent filler hose -5- has completely filled with coolant.
9. Close the left shut-off valve (V1) on the vacuum pressure gauge and allow a vacuum to build up in the cooling system.
