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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Heater, Ventilator And A/C) (Service Information) >> Expansion Valve >> Removal

Expansion Valve: Removal

  1. Disconnect the ground cable from battery. Refer to NOTE>NOTE>BATTERY .
    NOTE: For model with battery sensor, disconnect the ground terminal from battery sensor.
  2. Using the refrigerant recovery system, discharge refrigerant. Refer to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>REFRIGERANT RECOVERY PROCEDURE>PROCEDURE .
  3. Remove the intercooler.
  4. Detach the clips and bolts, and detach the hose - pressure suction and the pipe - evaporator cooling.
    CAUTION: Seal the disconnected hose, pipe and engaging part of expansion valve with a plug or vinyl tape to prevent foreign matter from entering.
    G10270317Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the bolt, and remove the expansion valve - cooling.
    CAUTION: Seal the pipe and engaging part of expansion valve with a plug or vinyl tape to prevent foreign matter from entering.

    Preparation tool: 

    Hexagon wrench: 4 mm (0.16 in)

    G10270318Courtesy of SUBARU OF AMERICA, INC.