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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)) >> Inverter Tank >> Inspection >> Inverter Tank Cap

Inverter Tank Cap

WARNING: This page is about a different variant/trim than selected.
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 there is no deformation, cracks or other damages.
  3. Check the valve opening pressure of the inverter tank cap.
    1. Install the radiator cap tester at the inverter tank cap.
      G10318795Courtesy of SUBARU OF AMERICA, INC.
    2. Increase pressure until the radiator cap tester gauge needle stops. The inverter tank cap is functioning properly if it holds the service limit pressure for 5 - 6 seconds. Replace the inverter tank cap if it opens under pressure at or less than the service limit value.
    CAUTION: Be sure to remove foreign matter and rust in advance. Otherwise, results of pressure test will be incorrect.

    Specification: 

    93 - 123 kPa (0.95 - 1.25 kg/cm2 , 14 - 18 psi)

    Service limit: 

    83 kPa (0.85 kg/cm2 , 12 psi)

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