HVAC System (Heater, Ventilator And A/C): Evaporator: Removal

Disconnect the ground cable from battery. <Ref. to BATTERY , NOTE, Note.>
NOTE: For models other than STI model, disconnect the ground terminal from battery sensor.
Using the refrigerant recovery system, discharge refrigerant. <Ref. to PROCEDURE , Refrigerant Recovery Procedure.>
Remove the intercooler.
- Except for STI model: <Ref. to REMOVAL , Intercooler.>
- STI model: <Ref. to REMOVAL , Intercooler.>
Remove the expansion valve - cooling. <Ref. to REMOVAL , Expansion Valve.>
Remove the glove box. <Ref. to REMOVAL , Glove Box.>
Remove the engine control module (ECM). (STI model) <Ref. to REMOVAL , Engine Control Module (ECM).>
Remove the blower motor unit assembly. <Ref. to REMOVAL , Blower Motor Unit Assembly.>
Remove the evaporator assembly - cooling.
1. Disconnect the connector and lock of the thermostat - cooling.
2. Remove the screws and detach the cover.
  
  Fig 1: Locating Evaporator Screws
  Courtesy of SUBARU OF AMERICA, INC.
3. Remove the cover - heater unit.
  1. Disconnect the power transistor connector.
  2. Remove the screws and clips to remove the cover - heater unit.
    
    Fig 2: Locating Cover - Heater Unit Screws And Clips
    Courtesy of SUBARU OF AMERICA, INC.
4. Remove the bolt, and detach the pipe - evaporator core.
  Preparation tool:
  
  Hexagon wrench: 4 mm (0.16 in)
  
  Fig 3: Locating Evaporator Core Pipe
  Courtesy of SUBARU OF AMERICA, INC.
5. Remove the evaporator assembly - cooling.
  
  Fig 4: Removing Evaporator Assembly - Cooling
  Courtesy of SUBARU OF AMERICA, INC.
6. Remove the thermostat - cooling.
  
  Fig 5: Removing Thermostat - Cooling
  Courtesy of SUBARU OF AMERICA, INC.