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Engine Cooling System (H4SO): Radiator: Inspection

  1. Check that the radiator does not have deformation, cracks or damage.
  2. Check that the hose has no cracks, damage or loose part.
  3. Remove the radiator cap, fill the radiator with engine coolant, and then install the radiator cap tester to the filler neck of radiator.
    Fig 1: Identifying Radiator
    G06650911Courtesy of SUBARU OF AMERICA, INC.
  4. Apply a pressure of 157 kPa (1.6 kgf/cm2 , 23 psi) to the radiator, and check the following items.
CAUTION:
  • Engine should be turned off.
  • Wipe engine coolant from check points in advance.
  • Be careful of engine coolant from spurting out when removing the radiator cap tester.
  • Be careful not to deform the filler neck of radiator when installing and removing the radiator cap tester.