Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
1. Unclip the combination connector -arrow-.
Combination connector
2. Disconnect the hydraulic connections (use a suitable collecting container). Seal the lines with suitable and clean (!) stoppers -arrows-.
Disconnecting PDCC lines
3. Unscrew valve block fastening screws -arrows- and remove the valve block.
Valve block mounting
4. When replacing the valve block wiring harness: Number the valves and pressure sensors (using a felt-tip pen, for example). Push back the insulator
slightly and assign the cable colors to the corresponding valves/pressure sensors.
5. Remove the wiring harness. Pull off the connectors on the valves/pressure sensors. Fit the wiring harness onto the new valve block.
6. Installation is performed in reverse order. Observe correct tightening torques.
Replacing rear valve block
If a component is replaced, the reservoir (PDCC) must always be replaced as well!
1. Remove the valve block cover -arrow-.