Radiator Cap Testing

WARNING: This page is about a different variant/trim than selected.

Remove The Radiator Cap, Wet Its Seal With Engine Coolant, And Then Install It On A Pressure Tester.

Fig 1: Testing Radiator Cap
Courtesy of KIA MOTORS AMERICA, INC.
Apply A Pressure Of 93.16 ~ 122.58 Kpa (0.95 ~ 1.25 Kgf/Cm² , 13.51 ~ 17.78 Psi).
Check For A Drop In Pressure.
If The Pressure Drops, Replace The Cap.