Radiator Cap Testing
- Remove the radiator cap, wet the seal with coolant, then install it onto pressure tester.
Courtesy of KIA MOTORS AMERICA, INC.
- Apply a pressure of 93.16-122.58 kPa (0.95-1.25 kg/cm2
, 13.51-17.78 psi)
- Check for a drop in pressure.
- If the pressure drops, replace the cap.