Section 13 (Engine Cooling System (H4DO)): Radiator: Inspection

WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Check that the radiator does not have deformation, cracks or damage.
Check that the hose has no cracks, damage or loose part.
Remove the radiator cap, fill the radiator with engine coolant, and then install the radiator cap tester to the filler neck of radiator.

Fig 1: Filling Radiator With Engine Coolant
Courtesy of SUBARU OF AMERICA, INC.
Apply a pressure of 157 kPa (1.6 kg/cm² , 23 psi) to the radiator and check the following points:
- Leakage from the radiator or its vicinity
- Leakage from the hose or its connections
  CAUTION:
  - Engine should be turned off.
  - Clean the check points.
  - Be careful not to deform the filler neck of radiator when installing and removing the radiator cap tester.
  - Be careful of engine coolant from spurting out when removing the radiator cap tester.