LEMON Manuals: Even more car manuals for everyone
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) >> Refrigerant Pressure with Manifold Gauge Set >> Inspection >> Low-Pressure Side Is High

Low-Pressure Side Is High

  1. FILL PROPER AMOUNT OF REFRIGERANT. 

    Drain all refrigerant, and refill proper amount of refrigerant.

    Is refrigerant pressure within the standard value?

    Yes:  Refrigerant pressure is normal.

    No:  Go to  2.

  2. REPLACE EXPANSION VALVE. 

    Replace the expansion valve. Refer to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>EXPANSION VALVE>REMOVAL .

    Is refrigerant pressure within the standard value?

    Yes:  Refrigerant pressure is normal.

    No:  Replace the evaporator. Refer to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>EVAPORATOR>REMOVAL .