Section 8 (Engine Cooling System (WRX-STI)): Radiator: Inspection
WARNING: This page is about a different variant/trim than selected.
- Check that the radiator does not have deformation, cracks or damage.
- Check that the hose has no cracks, damage or loose part.
- 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.
- Apply a pressure of 122 kPa (1.2 kg/cm2
, 18 psi) to the radiator and check the following points:
- Leakage from the radiator or its vicinity
- Leakage from the hose or its connections
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.