Residual Pressure Retaining Valve
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.
WARNING:
Vehicle is lowered when air line is loosened
- Risk of squashing
→ When loosening the residual pressure retaining valve, raise the vehicle on a lifting platform.
→ Only leave the vehicle on the lifting platform until a new residual pressure retaining valve is installed and the air-spring strut is filled.
The residual pressure retaining valve may only be replaced if:
- Residual pressure retaining valve
- Socket insert
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
- it was damaged during removal and installation,
- it was damaged while disassembling and assembling the air-spring strut,
- the sealing ring is faulty,
- it does not allow any more air to come out (valve jammed).
If the residual pressure retaining valve is jammed, the vehicle must be lifted for replacement on the platform lift and the wheels must be allowed to turn freely. It must not be compressed with an empty rolling boot.