Cayenne (9PA) V6-3.2L (2006)
Auxiliary Cabin Heater Check Valve: Service and Repair
Removing And Installing Check Valve
Tools
Preliminary work
1. Remove complete heater.
2. Remove intake muffler.
Removing check valve
1. Release spring band clamps -1 and 2- using circlip pliers for spring band clamps, Cayenne hose connections NR.72-1-a--Pfeile A- and slide them
off the flanges -Arrow B-.