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Home >> Subaru >> 2019 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Cooling System (STI)) >> Radiator >> Inspection
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Section 14 (Engine Cooling System (STI)): Radiator: Inspection

WARNING: This page is about a different variant/trim than selected.
  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.
    G11573964Courtesy 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.