Cap Testing
- Remove the radiator cap, wet its seal with engine coolant, then install it to pressure tester.
Courtesy of HYUNDAI MOTOR CO.
- Apply a pressure of 93 ~ 123kPa (0.95 ~ 1.25kgf/cm2
, 14 ~ 19psi).
- Check for a drop in pressure.
- If the pressure drops, replace the cap.