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Home >> Subaru >> 2019 >> Crosstrek Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Cooling System (HEV)) >> Water Pump >> Inspection

Water Pump: Inspection

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 radiator cap.
    2. Fill the radiator with engine coolant, and then install the radiator cap tester to the filler neck of radiator.
      CAUTION: Be careful not to deform the filler neck of radiator when installing and removing the radiator cap tester.
      G13231213Courtesy of SUBARU OF AMERICA, INC.
    3. Apply a pressure of 112 kPa (1.14 kg/cm2 , 16 psi) to the radiator 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 water pump bearing for smooth rotation.
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