Replacing Rear Valve Block

For more information, see: → 4303AW SAFETY REQUIREMENTS FOR PORSCHE DYNAMIC CHASSIS CONTROL (PDCC)  → 4303IN COMPONENT ARRANGEMENT FOR PORSCHE DYNAMIC CHASSIS CONTROL (PDCC) 

If a component is replaced, the reservoir (PDCC) must always be replaced as well! → 430955 REPLACING RESERVOIR (PDCC) 

1. Remove the valve block cover -arrow-  .
   Fig 1: Locating RA Valve Block Cover (PDCC)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Disconnect the combination connector. To do this, carefully open the cable duct if necessary -arrow-  .
   Fig 2: Locating Combination Connector For RA Valve Block (PDCC)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Disconnect the two hydraulic connections -arrows-  at the front and the two hydraulic connections at the rear, not shown (use a suitable collecting container). Seal the lines with suitable and clean (!) stoppers.
   Fig 3: Locating Lines For RA Valve Block (PDCC)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Unscrew valve block fastening screws and carefully remove the valve block.
5. 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 colours to the corresponding valves/pressure sensors.
6. Remove the wiring harness. Pull off the connectors on the valves/pressure sensors. Fit the wiring harness onto the new valve block.
7. Installation is performed in reverse order. → WM 4000V0 Lifting the vehicle Observe correct tightening torques. → 4300TW TIGHTENING TORQUES