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 LevelDescription and Operation
Description
The 6-spd automatic transaxle consists of an overdrive clutch (OD/C), a one-way
clutch (OWC), a lower and reverse brake (LR/B), an underdrive brake (UD/B), a 26
brake (26/B), and a 35 ...
Use of MTBE
Kia recommends avoiding fuels containing MTBE (Methyl Tertiary Butyl Ether) over
15.0% vol. (Oxygen Content 2.7% weight) in your vehicle.
Fuel containing MTBE over 15.0% vol. (Oxygen Content 2.7% w ...
Tightening Torque Table Of Standard Parts
Bolt nominal diameter (mm)
Pitch (mm)
Torque Nm (kg.cm, lb.ft)
Head Mark 4
Head Mark 7
...