Cayenne S (9PA) V8-4.5L (2003)
3. Unlock the retaining bolts on the throttle body. To do this turn the right bolt 45 degrees anti-clockwise and the left bolt 45 degrees clockwise.
4. Remove the retaining bolts. To do this take hold of the bolt on the rubber ring with pliers and pull it out.
5. Remove the Y pipe from the throttle body.
6. Separate the air flow sensors. To do this release the hose clamps on the left and right of the bellows and remove the bellows from the air flow
sensors.
7. Remove the vacuum line on the Y pipe. To do this press the button and remove the vacuum line.