Kia Optima: Replacement - Fluid. Repair procedures - Hydraulic System - Automatic Transaxle System - Kia Optima TF 2011-2024 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:

Inspection
1. Check that the red light flickers when the door lock or unlock button is pressed on the transmitter. 2. Remove the battery (A) and check voltage if the red light d ...

Operation
Operating Procedure 1. Suspension angle change resulted from vehicle's load change. 2. Sensor angle change. 3. Microprocessor calculates necessary ...

Camshaft Position Sensor (CMPS). Description and Operation
Description Camshaft Position Sensor (CMPS) is a hall sensor and detects the camshaft position by using a hall element.It is related with Crankshaft Position Sensor (CKPS) and detects the pisto ...

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