Radiator Cap Testing
WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester.
- Apply a pressure of 93.16 - 122.58 kPa (0.95 - 1.25kgf/cm2 , 13.51 - 17.78 psi).
- Check for a drop in pressure.
- If the pressure drops, replace the cap.