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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (Hydraulic System - 2.4L (Except HEV)) >> Fluid >> Repair Procedures >> Inspection >> Automatic Transaxle Fluid (ATF) Level Check

Automatic Transaxle Fluid (ATF) Level Check

WARNING: This page is about a different variant/trim than selected.
NOTE: When checking the ATF level, be careful not to allow foreign substance (like dust) to enter through the filler hole.
  1. Remove the battery and battery tray.

    (Refer to "BATTERY ")

  2. Add 0.7 liters of ATF SP-IV through the ATF filler hole after removing the eyebolt (A).
    G12933152Courtesy of KIA MOTORS AMERICA, INC.
  3. Start the engine to warm up the ATF.
    NOTE: Do not step on the brake and accelerator simultaneously to warm up the ATF.
  4. Check by using KDS that the temperature of the ATF is between 50°C and 60°C (122 - 140°F).
  5. Move the shift lever slowly from "P" to "D", then back to "P". Repeat this sequence a total of two times and then move the shift lever to "N" range.
    NOTE: Pause in each range for more than 2 seconds.
  6. Remove the under cover.

    (Refer to "ENGINE ROOM UNDER COVER ")

  7. Lift the vehicle and remove the ATF level plug (A) from the valve body cover.
    NOTE: When removing the ATF level plug, keep the vehicle on a level ground.
    G12933153Courtesy of KIA MOTORS AMERICA, INC.
  8. Check the ATF level.

    Normal: ATF flows out in a thin oil stream.

    Excessive (abnormal): Over 0.9 liters of ATF flows out for 2 minutes.

    Insufficient (abnormal): There is no fluid flow.

    NOTE: If the ATF level is too high or low, follow the instructions below.
    • Excessive: Drain until the ATF flows out in a thin oil stream.
    • Insufficient: Add until the ATF flows out in a thin oil stream.
  9. Install the ATF level plug (A).
    NOTE: The existing ATF level plug O-ring (A) must be replaced with a new one. (Do not reuse it.)
    G12933154Courtesy of KIA MOTORS AMERICA, INC.
  10. Lower the vehicle and install the eyebolt (A).

    Tightening torque: 

    4.9-5.9 N.m (0.5-0.6 kgf.m, 3.6-4.3 lb.ft)

G12933155Courtesy of KIA MOTORS AMERICA, INC.
NOTE: The existing eyebolt O-ring (B) must be replaced with a new one. (Do not reuse it.)
G12933156Courtesy of KIA MOTORS AMERICA, INC.