Kia Optima: Service Adjustment Procedure - Fluid. Repair procedures - Hydraulic System - Automatic Transaxle System - Kia Optima TF 2011-2023 Service ManualKia Optima: Service Adjustment Procedure

Oil level Check
A check of ATF level is not normally required during scheduled services. If an oil leak is found, perform the oil level check procedure after repairs are completed.
When checking the oil level, be careful not to enter dust, foreign matters, etc. from fill hole.
1. Remove the eyebolt (A).

Eyebolt tightening torque:

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


Always replace the gasket of the eyebolt use new one whenever loosening eyebolt.
2. Add ATF SP-IV 700cc to the ATF injection hole.

3. Start the engine. (Dont step on brake and accelerator simultaneously.
4. Confirm that the temperature of the A/T oil temperature sensor is 50~60C(122~140F) with the GDS.
5. Shift the select lever slowly from P to D, then D to P and repeat one more at idle.
Keep on each speed position more than 2 sec.
6. Lift the vehicle, then remove the oil level plug (A) from the valve body cover.

At this time, the vehicle must be at a level state.
7. If the oil flows out of the overflow plug in thin steady stream, the oil level is correct.

Then finish the procedure and tighten the oil plug.

Oil level check (excess or shortage) method
Excess: Oil flows out in thick stream.
Shortage: No oil flows out of the overflow plug.
If there is no damage at the automatic transaxle and the oil cooler, the oil cooler hose, transaxle case, valve body tightening state are normal,ATF must drip out after performing above 1 to 7 procedures. After performing above 1 to 7 procedures, if the oil doesnt drip out, inspect the automatic transaxle assembly.
Replace the gasket of the oil level plug and use new one whenever loosening the oil level plug.

Oil level plug tightening torque:

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


8. Put down the vehicle with the lift and then tighten the eyebolt.

Fluid. Repair procedures
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Replacement
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