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Removing Evaporator (Chiller)

NOTE: NOTIFICATION 
Opened refrigerant system for repairs. 
  • Risk of moisture getting into the refrigerant system. 
  • Risk of contaminating the refrigerant circuit. 
  • Risk of saturation and irreparable damage to desiccator. 
  • Irreparable damage to the desiccator can damage the compressor and evaporator. 

    → After opening the refrigerant circuit, close off the refrigerant lines/connections immediately using the relevant stoppers. To avoid contaminating the refrigerant circuit, the stoppers for the different refrigerants must be stored and used separately.

    → The desiccator must be replaced if the air humidity is high and if the refrigerant circuit is left open for a long time.

  1. Remove bulkhead -1-  .
    1. 1.1  Screw off nut -2-  .
    2. 1.2  Unscrew screw -3-  .
    3. 1.3  Remove bulkhead -1-  .
    G15565990Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Bulkhead

  2. Disconnect electric wire harness -1-  .
    1. 2.1  Release and disconnect electric plug connections -2-  .
    2. 2.2  Unclip clip -3-  and move electric wire harness -1-  aside.
      G15565991Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Electric wire harness

  3. Remove coolant hoses -1-  , from cooler box holder -2-  .
    1. 3.1  Loosen spring band clamps -3-  using > VAS 6891 - Spring Band Clamp Pliers  .
    2. 3.2  Pull off coolant hoses -1-  and set them aside.
    3. 3.3  Catch escaping coolant and close off line connections using suitable stoppers.
      G15565992Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Coolant hoses on cooler box holder

  4. Remove coolant hoses -1 and 2-  from voltage converter -3-  .
    1. 4.1  Loosen spring band clamps -4-  using > VAS 6890 - Spring Band Clamp Pliers  .
    2. 4.2  Pull off coolant hoses -1-  .
    3. 4.3  Catch escaping coolant and close off line connections using suitable stoppers.
    4. 4.4  Release quick connectors -5-  and pull off coolant hoses -2-  .
    5. 4.5  Catch escaping coolant and close off line connections using suitable stoppers.
    6. 4.6  Set coolant hoses -1 and 2-  aside.
      G15565993Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Coolant hoses on voltage converter

  5. Remove refrigerant lines -1-  from expansion valve -2-  and evaporator (chiller) -3-  .
    1. 5.1  Unscrew and remove screws -4-  .
    2. 5.2  Disconnect refrigerant lines -1-  and set them aside.
    3. 5.3  Close off line connections using suitable stoppers.
      G15565994Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Refrigerant lines

  6. Remove evaporator (chiller) holder -1-  .
    1. 6.1  Screw off nut -2-  .
    2. 6.2  Unscrew screw -3-  .
    3. 6.3  Remove evaporator (chiller) holder -1-  with expansion valve -4-  and evaporator (chiller) -5-  .
    G15565995Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Evaporator (chiller) holder

  7. Remove coolant hoses -1-  from evaporator (chiller) -2-  .
    1. 7.1  Loosen spring band clamps -3-  using > VAS 6890 - Spring Band Clamp Pliers  .
    2. 7.2  Pull off coolant hoses -1-  .
      G15565996Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Coolant hoses on evaporator (chiller)

  8. Remove refrigerant line -1-  from evaporator (chiller) -2-  and expansion valve -3-  .
    1. 8.1  Unscrew and remove screws -4-  .
    2. 8.2  Pull out refrigerant line -1-  .
      G15565997Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Refrigerant line from evaporator (chiller) to expansion valve 2

  9. Unscrew screws -2-  and remove evaporator (chiller) -1-  with retaining clips -3-  .
    G15565998Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Evaporator (chiller)

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