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Home › Subaru › 2020 › Ascent Base › Repair and Diagnosis › Engine Mechanical › Cooling Fan › Engine Cooling System › Water Pipe › Inspection

Water Pipe: Inspection

  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.
      G13199098Courtesy of SUBARU OF AMERICA, INC.
    3. Apply a pressure of 157 kPa (1.6 kg/cm2 , 23 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.
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