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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling Fan >> Engine Cooling System >> Radiator >> Repair Procedures >> Inspection >> Radiator Cap Testing

Radiator Cap Testing

  1. Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester.
    Fig 1: Testing Radiator Cap
    G12087002Courtesy of HYUNDAI MOTOR AMERICA
  2. Apply a pressure of 93.16 ~ 122.58 kpa (0.95 ~ 1.25 kg/cm2 , 13.51 ~ 17.78 psi).
  3. Check for a drop in pressure.
  4. If the pressure drops, replace the cap.
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