Kia Optima Hybrid Owner's Manual Quiz
Automatic Transmission

ATF Warmer Repair Procedures

In this manual: Automatic Transmission
General Information — 4Engine Mechanical System — 50Engine Electrical System — 20Emission Control System — 30Engine Control System/Fuel System — 84Automatic Transmission — 98Drive Shaft and Axle — 15Suspension System — 36Steering — 12Restraints — 50Brake System — 38Body (Interior and Exterior) — 54Body Electrical System — 233Heating, Ventilation, and Air Conditioning — 57
4steps
~24min
2/5difficulty
0102030405011.89N·mlb·ft
Tightening torque found on this page
Done 0 of 4

Removal

  1. Remove the lower cover (A).

    Tightening torque: 7.8 ~ 11.8 N·m

  2. Drain the coolant from the engine and transaxle cooling system. (Refer to Engine Mechanical System - "Engine Coolant")
  3. Remove the drain plug (A) and reinstall it after completely draining the ATF.

    Tightening torque: 33.3 ~ 43 N·m

  4. Remove the ATF warmer (B) after removing the hose (A).

    Tightening torque: 11.8 ~ 13.7 N·m

Installation

  1. Install in the reverse order of removal.
    • Do not reuse the drain plug gasket.
    • Be careful not to damage the hose when tightening the clamp.
    • Install the clamp in the specified direction so that it does not interfere with surrounding components.
    • Fill the automatic transmission with fluid. (Refer to Hydraulic System — "Fluid").
    • Fill the engine and transaxle cooling system with coolant. (Refer to Engine Mechanical System - "Coolant").
    • With the engine running, check for coolant leaks or fluid leaks from the hose connections.

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