Positive Crankcase Ventilation

Fig 1: Positive Crankcase Ventilation Components Location

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Positive crankcase ventilation 

1. Positive crankcase ventilation valve > Tightening torque 10 Nm (7.5 ftlb.)  ↓
2. Positive crankcase ventilation line
3. O-ring, 22.5 x 2.5 FPM
4. O-ring, 22.5 x 2.5 HNBR
5. Aluminium screw, M6 x 16 > Initial tightening 4 Nm (3 ftlb.)  ↓ > Final tightening 90°  ↓
6. Holder