Cayenne S (9PA) V8-4.5L (2003)
Harmonic Balancer - Crankshaft Pulley: Specifications
Belt pulley on crankshaft M16 x 1.52 x 77 ....................................................................................... 50 Nm (185 ft. lbs.), then 90° (always replace screw!)
Belt pulley to crankshaft M16 x 1.5 .................................................................................................................... 250 Nm (185 ft. lbs.) + 90°; replace screw
Belt pulley to crankshaft M16 x 1.5 x 2 .................................................................................................................................. 50 Nm (185 ft. lbs.), then 90°