Kia Optima: Replacement - Fluid. Repair procedures - Hydraulic System - Automatic Transaxle System - Kia Optima TF 2011-2020 Service ManualKia Optima: Replacement

ATF of 6 speed automatic transaxle doesnt 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 32C(89.6F) .
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:

Adjustment
Stop lamp switch clearance adjustment If the gap between stop lamp switch and bracket is not 1.0 ~ 2.0mm(0.04~ 0.08in), conform to below. 1. Disconnect the stop lamp switch ...

Why didnt my air bag go off in a collision? (Inflation and non-inflation conditions of the air bag)
There are many types of accidents in which the air bag would not be expected to provide additional protection. These include rear impacts, second or third collisions in multiple impact accidents, ...

ETC (Electronic Throttle Control) System. Schematic Diagrams
Circuit Diagram ...

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