Removing Electric Passenger Compartment Heater

Information 

• Protect high-voltage plug connections from dampness. 
• Do not release high-voltage plug connections until you have opened the cooling system. 

1. Observe warning notes.

   > 2X00IN General warning notes for working on the high-voltage electrical system 

2. Have suitable stoppers ready for closing off the connection openings on the electric passenger compartment heater.
3. Have suitable material ready to collect emerging coolant.
4. Disconnect electric passenger compartment heater -5-  from coolant hoses and fastening parts.
   1. 4.1 Disconnect coolant hoses from electric passenger compartment heater -5-  .
      1. 4.1.1 Clamp off coolant hoses using > Nr.192 - hose clamping pliers  .
      2. 4.1.2 Loosen spring band clamps -1-  using > VAS 6890 - Spring Band Clamp Pliers  .
      3. 4.1.3 Disconnect coolant hoses and close them off using suitable stoppers.
      4. 4.1.4 Close off connection openings on the electric passenger compartment heater using suitable stoppers.
   2. 4.2 Remove electric plug connection -3-  from the holder and set it aside.
   3. 4.3 Open the clip -2-  .
   4. 4.4 Unscrew screw on holder -4-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Overview of electric passenger compartment heater

5. Release and disconnect electric plug connection -1-  .

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   Electric plug connections on electric passenger compartment heater

6. Release and disconnect high-voltage plug connection -2-  on electric passenger compartment heater.
   1. 6.1 Press red release tab -a-  .
   2. 6.2 Pull orange tab in direction of arrow until you feel a certain amount of resistance -arrow A-  .
   3. 6.3 Release black tab -a-  and pull off connector -arrow B-  .

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      High-voltage electric plug connection

7. Remove electric passenger compartment heater.
   1. 7.1 Loosen clip -3-  and move electric line aside.
   2. 7.2 Unscrew screw on holder -4-  .
   3. 7.3 Unscrew nut -5-  and remove ground line -6-  .
   4. 7.4 Guide electric passenger compartment heater forward and remove it.

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Electric passenger compartment heater