Kia Optima Manuals

Kia Optima: Inspection - Thermostat. Repair procedures - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2025 Service ManualKia Optima: Inspection

1. Immerse the thermostat in water and gradually heat the water.
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.

Removal and Installation
Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, e ...

Thermostat. Troubleshooting
Troubleshooting   Symptoms Possible Causes Remedy Coolant leakage • From the thermostat gasket ...

See also:

ENGINE START/STOP button position
OFF Not illuminated • With automatic transaxle To turn off the engine (START/RUN position) or vehicle power (ON position), press the ENGINE START/STOP button with the shift lever in the P (Pa ...

Inspection
Brake Booster 1. Inspect the check valve in the vacuum hose, intensifier and the connecting section. ...

Using RADIO, SETUP, VOLUME and AUDIO CONTROL
1. FM/AM Button The FM/AM button toggles between FM and AM. Listed below are the paths as the system switches from FM to AM and back to FM. • FM/AM : FM1➟FM2➟AM➟FM1... 2. ...

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