Cayenne S (9PA) V8-4.5L (2003)
6. Connect vacuum line to the rear of the intake distributor. The plug must engage audibly.
7. Attach the vacuum line to the underside of the Y pipe.
8. Slide the bellows onto the air flow sensors and tighten the hose clamps.
9. Slide the Y pipe onto the throttle positioner. Then insert the left and right retainer bolts. Turn the right bolt 45 degrees clockwise and the left bolt
45 degrees anti-clockwise.