Technical Values: Pulleys

Fig 1: Identifying Pulley Components

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Water pump pulley
Screw, M8 x 16 → Tightening torque: 23 Nm (17 ftlb.)
Vibration damper
Screw, M18 x 1.5 x 72; use new screw; → Tightening torque: 20 Nm (15 ftlb.) → Tightening torque: 50 Nm (37 ftlb.) → Tightening torque: 100 Nm (74 ftlb.) → Torque angle: 180°
Power-steering pump pulley
Screw, M8 x 16 → Tightening torque: 23 Nm (17 ftlb.)
Tandem pump pulley