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Cooling Fan: Cooling: Radiator: Inspection

  1. Remove radiator cap, top off radiator, and attach tester to radiator in place of cap.
    Fig 1: Attaching Tester To Radiator In Place Of Cap
    G02861643Courtesy of SUBARU OF AMERICA, INC.
  2. Apply a pressure of 157 kPa (1.6 kg/cm2 , 23 psi) to radiator to check if:
    1. Engine coolant leaks at/around radiator.
    2. Engine coolant leaks at/around hoses or connections.
    CAUTION:
    • Engine should be off.
    • Wipe engine coolant from check points in advance.
    • Be careful to prevent engine coolant from spurting out when removing tester.
    • Be careful also not to deform filler neck of radiator when installing or removing tester.
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