Radiator Cap Testing
WARNING: This page is about a different car, the 2012 Hyundai Veloster. 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, then install it to pressure tester.
Courtesy of HYUNDAI MOTOR AMERICA
- Apply a pressure of 93 ~ 123kPa (0.95 ~ 1.25kgf/cm,2
, 14 ~ 19psi).
- Check for a drop in pressure.
- If the pressure drops, replace the cap.