Radiator Cap Testing
WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
- Install the pressure cap and pressure tester on a SST (0K253-G5100).
 Courtesy of KIA MOTORS AMERICA, INC.
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- 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.