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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> HVAC System (Heater, Ventilator And A/C) (HEV) >> Compressor >> Installation

HVAC System (Heater, Ventilator And A/C) (HEV): Compressor: Installation

WARNING: The hybrid system includes a high voltage circuit. Mishandling could cause accidents such as electric shock or leak. Always check "WARNING (HYBRID SYSTEM)" and perform the proper operation. Ref. to PRECAUTION/WARNING>WARNING (HYBRID SYSTEM) .
CAUTION:
  • After replacing the electric compressor assembly, adjust the amount of compressor oil. Ref. to AIR CONDITIONER (HEV)>COMPRESSOR OIL>ADJUSTMENT .
  • Replace the O-rings with new parts, and then apply compressor oil to install completely.
  1. Install the compressor bracket.

    Tightening torque:  26.5 N.m (2.7 kgf-m, 19.5 ft-lb)

  2. Install the electric compressor assembly.
    WARNING: Be sure to wear insulated gloves.
    CAUTION: Make sure the electrical connector is connected securely.

    Tightening torque:  36 N.m (3.7 kgf-m, 26.6 ft-lb)

    NOTE: Tighten the electric compressor assembly bolts in the numerical order as shown in the figure. Ref. to AIR CONDITIONER (HEV)>GENERAL DESCRIPTION>COMPONENT>COMPRESSOR .
  3. Install the hose - pressure suction and the hose - pressure discharge.

    Tightening torque:  10 N.m (1.0 kgf-m, 7.4 ft-lb)

  4. Install the inverter tank. Ref. to COOLING (H4DO(HEV))>INVERTER TANK>INSTALLATION .
  5. Install the inverter radiator outlet hose and inverter tank outlet hose to the clamp.
  6. Install the under cover - front. Ref. to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>INSTALLATION .
  7. Install the bracket - hood stay.

    Tightening torque:  18 N.m (1.8 kgf-m, 13.3 ft-lb)

  8. Install the cover UPR - front.
  9. Install the air intake duct.
  10. Install the service disconnect plug. Ref. to HYBRID ELECTRIC VEHICLE>SERVICE PLUG>INSTALLATION .
  11. Install the collector cover. Ref. to INTAKE (INDUCTION) (H4DO (EXCEPT FOR HEV))>COLLECTOR COVER>INSTALLATION .
  12. Connect the battery ground terminal. Ref. to REPAIR CONTENTS>REPAIR CONTENTS>NOTE>BATTERY .
  13. Charge refrigerant. Ref. to AIR CONDITIONER (HEV)>REFRIGERANT CHARGING PROCEDURE>PROCEDURE .
  14. After replacing the electric compressor assembly with a new part, follow the procedure below to perform break-in operation.
    1. Make sure that the outdoor air temperature is equal to or higher than 0°C (32°F).
    2. Check that all connectors are locked securely.
    3. Reset the heater control assembly. (Disconnect and then connect the connector)
    4. Install the delivery mode fuse. Ref. to PRE-DELIVERY INSPECTION>PRE-DELIVERY INSPECTION (PDI) PROCEDURE>DELIVERY MODE .
    5. Using the Subaru Select Monitor, select the [Electric driven compressor break-in drive] mode from the work support item list of [Air Conditioner]. Ref. to COMMON (DIAG)>WORK SUPPORT>OPERATION .
    6. Follow the procedure to perform and check preparation work, then select [Execution].
    7. When [Electric compressor break-in operation completed status] is [incomplete] → [ON], turn READY OFF.
    8. Remove the delivery mode fuse from the main fuse box.
    9. The break-in operation finishes.
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