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Radiator Leakage Test

WARNING: This page is about a different car, the 2013 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
  1. Wait until engine is cool, then carefully remove the radiator cap and fill the radiator with engine coolant, then install it on the pressure tester.
  2. Apply a pressure tester to the radiator and apply a pressure of 93.16 ~ 122.58kpa (0.95 ~ 1.25kg/cm2 , 13.51 ~ 17.78psi).
    Fig 1: Checking Radiator Leakage
    G09885591Courtesy of HYUNDAI MOTOR AMERICA
  3. Inspect for engine coolant leaks and a drop in pressure.
  4. Remove the tester and reinstall the radiator cap.
    NOTE: Check for engine oil in the coolant and/or coolant in the engine oil.
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