Cayenne S (9PA) V8-4.5L (2003)
Fitting the drive belt
9. Check whether the drive belt is correctly positioned on the pulleys.
10. Attach vacuum line to the underside of the Y pipe.
11. Slide bellows onto the air flow sensors and tighten the hose clamps.
12. Slide the Y pipe onto the throttle adjuster. Then insert the left and right fastening bolts. Turn bolts 45 degrees clockwise.