FixVault

Cooling Fan: Cooling: Radiator: Inspection

  1. Remove the radiator cap, top off radiator, and then attach the tester to radiator in place of cap.
    Fig 1: Applying Pressure To Radiator Check
    G02944722Courtesy of SUBARU OF AMERICA, INC.
  2. Apply a pressure of 157 kPa (1.6 kg/cm2 , 23 psi) to the 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 the tester. 
    • Be careful also not to deform the filler neck of radiator when installing or removing tester.