Radiator Cap - Kia Cerato 2009 Service Manual

2. Check the valve opening temperature.
Valve opening temperature : 82±1.5°C (179.6±2.7°F)
Full opening temperature : 95°C (203°F)
If the valve opening temperature is not as specified, replace the thermostat.
3. Check the valve lift.
Valve lift : 8mm(0.3in) or more at 95°C (203°F)
If the valve lift is not as specified, replace the thermostat.

RADIATOR CAP

1. Remove the radiator cap, wet its seal with engine coolant, then install it no pressure tester.
2. Apply a pressure of 93.16 ~ 122.58kpa (0.95 ~ 1.25kg/cm², 13.51 ~ 17.78psi).
3. Check for a drop in pressure.
4. If the pressure drops, replace the cap.
RADIATOR LEAKAGE
1. Wait until engine is cool, then carefully remove the radiator cap and fill the radiator with engine coolant, then
install it on the pressure tester.
2. Apply a pressure tester to the radiator and apply a pressure of 93.16 ~ 122.58kpa (0.95 ~ 1.25kg/cm², 13.51
~ 17.78psi).
3. Inspect for engine coolant leaks and a drop in pressure.
4. Remove the tester and reinstall the radiator cap.