Engine Cooling System: Radiator: Inspection

2014 Subaru Impreza Sport LimitedSECTION Inspection
  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 radiator cap, fill the radiator with engine coolant, and then install the radiator cap tester to the filler neck of radiator.
    Fig 1: Identifying Radiator Assembly
    G09486808Courtesy of SUBARU OF AMERICA, INC.
  4. Apply a pressure of 157 kPa (1.6 kg/cm2 , 23 psi) to the radiator, and check the following items.
    CAUTION:
    • Engine should be turned off  .
    • Wipe engine coolant from check points in advance  .
    • 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  .
    • Leakage from the radiator or its vicinity
    • Leakage from the hose or its connections
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.