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Home >> Hyundai >> 2012 >> Tucson GL, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Radiator >> Repair Procedures >> Inspection >> Radiator Cap Testing

Radiator Cap Testing

  1. Remove the radiator cap, wet its seal with engine coolant, then install it to pressure tester.
    Fig 1: Removing Radiator Cap
    G06873042Courtesy of HYUNDAI MOTOR CO.
  2. Apply a pressure of 93 ~ 123 kPa (0.95 ~ 1.25 kgf/cm2 , 14 ~ 19 psi).
  3. Check for a drop in pressure.
  4. If the pressure drops, replace the cap.
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