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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Cooling System (HEV)) >> Radiator >> Inspection >> Radiator (For Inverter Assembly Cooling)

Radiator (For Inverter Assembly Cooling)

WARNING: This page is about a different variant/trim than selected.
  1. Check for leaks.
    CAUTION:
    • The engine coolant is pressurized when it is hot. Wait until engine coolant cools down before proceeding the work.
    • If the engine coolant splashes, completely remove and clean it.
    1. Remove the inverter tank cap.
    2. Check that the engine coolant level of the inverter tank lies between "FULL" and "LOW", and add the engine coolant if the coolant level is low.
    3. Install the radiator cap tester at the coolant filler port of the inverter tank.
      CAUTION: Be careful not to deform the inverter tank coolant filler port when installing and removing the radiator cap tester.
      G13231268Courtesy of SUBARU OF AMERICA, INC.
    4. Apply a pressure of 123 kPa (1.25 kg/cm2 , 18 psi) to the inverter tank and check the following points:
      • Leakage from the flow path of the engine coolant or its vicinity
      • Significant pressure drop
    CAUTION: Be careful of engine coolant from spurting out when removing the radiator cap tester.
  2. Check that there is no deformation, cracks or other damages.
  3. Check the radiator fins for clogging.
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