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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Heater, Ventilator And A/C) (Service Information) >> Refrigerant Recovery Procedure >> Procedure

Refrigerant Recovery Procedure: Procedure

CAUTION:
  • During operation, be sure to wear protective goggles and protective gloves.
  • Connect the refrigerant recovery system with the manifold gauge set to discharge the refrigerant from the A/C system and recycle the gas.
  • When recycling the discharged refrigerant, keep service cans on hand. Because the recovery rate with the recovery system is approx. 90%, service cans are necessary to charge the refrigerant.
  • Follow the detailed operation procedure described in the operation manual attached to the refrigerant recovery system.
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  1. Perform compressor oil return operation. Ref. to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>Compressor Oil>PROCEDURE 
  2. Turn the ignition switch to OFF.
  3. Remove the collector cover. (Except for STI model) Ref. to INTAKE (INDUCTION) (EXCEPT FOR STI)>Collector Cover>REMOVAL
  4. Attach the manifold gauge set.

    Preparation Tool: 

    Manifold gauge set

    1. Check that all valves are fully closed.
    2. Install the low/high pressure hoses to the service ports on the low/high pressure sides of the vehicle respectively.
      CAUTION: Confirm that the connections are secure.
    3. Connect the center hose to the refrigerant recovery system.

      Preparation Tool: 

      Refrigerant recovery system

  5. Follow the operation manual attached to the refrigerant recovery system to collect the refrigerant.
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