FixVault

Section 13 (Engine Cooling System (WRX)): Radiator: Inspection

WARNING: This page is about a different car, the 2013 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
  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 coolant filler tank cap, fill the coolant filler tank with engine coolant, then install the radiator cap tester to the filler neck of coolant filler tank.
    Fig 1: Performing Coolant Leak Test
    G05021472Courtesy of SUBARU OF AMERICA, INC.
  4. Apply a pressure of 122 kPa (1.2 kg/cm2 , 18 psi) to the radiator and check the following points:
CAUTION:
  • Inspection must be carried out at the side of coolant filler tank, not at the side of radiator.
  • Engine should be turned off.
  • Wipe engine coolant from check points in advance.
  • Be careful not to deform the filler neck of the coolant filler tank when installing and removing the radiator cap tester.
  • Be careful of engine coolant from spurting out when removing the radiator cap tester.