Kia Optima: Replacement - Fluid. Repair procedures - Hydraulic System - Automatic Transaxle System - Kia Optima TF 2011-2025 Service ManualKia Optima: Replacement

ATF of 6 speed automatic transaxle doesn’t need to be replaced. If the vehicle is used severely in business or personal use, replace ATF every 60,000 miles.

Severe usage is defined as

Driving in rough road (Bumpy, Gravel, Snowy, Unpaved road, etc)
Driving in mountain road, ascent/descent
Repetition of short distance driving
More than 50% operation in heavy city traffic during hot weather above 32°C(89.6°F) .
Police, Taxi, Commercial type operation or trailer towing, etc
1. Remove the drain plug (A) and reinstall the drain plug after draining ATF totally.


Drain plug tightening torque:

34.3 ~ 44.1 N.m (3.5 ~ 4.5 kgf.m, 25.3 ~32.6 lb-ft)


The gasket of the drain plug use new one.
2. Fill the oil about 5 liters through eyebolt.
3. Check the oil level. (Refer to "Hydraulic system (Fluid)" in this group)

Service Adjustment Procedure
Oil level Check A check of ATF level is not normally required during scheduled services. If an oil leak is found, perfo ...

Valve Body. Description and Operation
Description The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump. Specifically, these valves consist of pressur ...

See also:

Seatback angle
To recline the seatback: 1. Lean forward slightly and lift up the seatback recline lever. 2. Carefully lean back on the seat and adjust the seatback of the seat to the position you desire. 3. R ...

Removal
Pressure Side Impact Sensor • Removal of the airbag must be performed according to the precautions/pr ...

Description and Operation
System Overview RPAS(Rear Parking Assist System) is an electronic driving aid device warning driver to be cautious when they park or speed low after detecting an object on side and behind of vehi ...

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