Kia Optima: Engine Cooling SystemThe high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.
Oil Capacity
Checking the Coolant LevelComponents and Components Location
Component(1)
Component(2)
<Installation order : A→B→C→D→E>
1. Steering column shaft
2. Lighting switch
3. Wiper and washer switch
4. ...
Replacement
The injector combustion seal should be replaced new one to
prevent leakage after removing the injector.
1.
Remove the combustion seal (A) with a wire cutter.
...
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the CCV connector.
3.
Measure resistance between the CCV terminal 1 and
2.
4.
...