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Home >> Kia >> 2007 >> Rio SX, Standard >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Engine Overhaul >> Cooling System >> Radiator Cap Testing
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Radiator Cap Testing

  1. Remove the radiator cap, wet the seal with coolant, then install it onto pressure tester.
    Fig 1: Testing Radiator Cap
    G04803647Courtesy of KIA MOTORS AMERICA, INC.
  2. Apply a pressure of 93.16~122.58kpa (0.95~1.25kg/cm2 , 13.51~17.78psi)
  3. Check for a drop in pressure.
  4. If the pressure drops, replace the cap.
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