Loosening And Securing Positive Crankcase Ventilation (PCV Line) (Includes Replacing Sealing Rings)

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Loosen the clamp. To do this, remove nut (difficult to access in vehicle). -1-

Fig 1: Exploded View Of Oil Circuit For Turbocharger, Line Connection, Cylinders 1 To 4
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. Hexagon nut, M6 → Tightening torque: 6.5 Nm (5.0 ft lbs.)
2. Holding clamp
3. Screw, M6 x 12 → Tightening torque: 10 Nm (7.5 ft lbs.)
Remove screw on the crankcase -2- and remove screw on the timing-case cover. Loosen the line. Pull line out of the crankcase. Replace sealing rings.

Fig 2: Exploded View Of Positive Crankcase Ventilation, Turbo Engine M48/51
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. Ventilation pipe with sealing ring → Tightening torque: 13 Nm (9.5 ft lbs.)
2. Screw, M6 x 12 → Tightening torque: 10 Nm (7.5 ft lbs.)
1. Installation view of ventilation pipe
Move line with new sealing rings back into installation position.
Secure clamp with nut.
Tighten screw on the timing-case cover and on the crankcase.