Kia Optima: Replacement - Fluid. Repair procedures - Hydraulic System - Automatic Transaxle System - Kia Optima TF 2011-2019 Service ManualKia Optima: Replacement

ATF of 6 speed automatic transaxle doesnТt 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

Х Driving in rough road (Bumpy, Gravel, Snowy, Unpaved road, etc)
Х Driving in mountain road, ascent/descent
Х Repetition of short distance driving
Х More than 50% operation in heavy city traffic during hot weather above 32∞C(89.6∞F) .
Х 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:

Troubleshooting
Trouble Shooting Ignition System Symptom Suspect area Remedy Engine will not start or is hard to start (Cranks OK) Ignition lock switch ...

Removal
1. Remove the radiator grill upper cover.(Refer to the BD group - "Front bumper") 2. Remove the mounting nut and disconnect the horn connector (B), then ...

35R Clutch Control Solenoid Valve(35R/C_VFS). Description and Operation
Description 35R clutch control solenoid valve(35R/C_VFS) is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure inside the 35R clutch. ...

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