Cayenne S (9PA) V8-4.5L (2003)
6. Remove the vacuum line on the Y-shaped pipe. To do this, press the button and disconnect the vacuum line.
7. Disconnect the vacuum line on the rear of the intake system.
8. Disconnect positive crankcase ventilation line on the two valve covers. To do this press the plastic ring and pull the connections. Then remove the
positive crankcase ventilation line from the retaining clip.