2021 Acura TLX BaseFACTORY OEM SERVICE PROCEDURE

ATF Replacement and Level Check: Check

Be careful not to burn yourself by the hot part.

NOTICE: 

Keep all foreign particles out of the transmission.

NOTE: Improper ATF level will affect shift quality.
  1. ATF Level - Check

    Preconditions 

    Procedure/Specifications 

    NOTICE: 

    Check the ATF level right after shifting the transmission through all of the positions/modes and turning the engine OFF.

    NOTE: There are two types of level plugs: integrated washer type and separated washer type.

    1. Start the engine.

    GHH477398Courtesy of HONDA, U.S.A., INC.

    2. While pressing the brake pedal firmly, shift the transmission to P→R→N→D→S→2nd→S→D→N→R→P position/mode, and wait at least 3 seconds in each position/mode.

    NOTE: To shift to 2nd gear, enter the sequential sportshift mode by pressing the paddle shifter while in the S position/mode.

    3. Turn the engine off.

    4. Integrated washer type: Remove the level plug (a).Separated washer type: Remove the level plug (a) with the sealing washer (b).

    5. Check the ATF level.

    Specifications 

    Position Specification
    c The ATF is dripping from the level plug hole.

    6. If necessary, remove the filler plug (d) with the sealing washer (e), and add the recommended fluid through the filler plug hole (f) until the ATF overflows from the level plug hole.

    NOTE: Using the wrong type of fluid will damage the transmission.

    Fluid Details 

    Type
    Acura ATF TYPE 2

    7. Integrated washer type: Install a new level plug.Separated washer type: Install the level plug with a new sealing washer.

    8. Install the filler plug with a new sealing washer.

    Result 

    • If the ATF level is below the proper level, check for fluid leaks at the transmission and the fluid lines. If a problem is found, fix it before filling the transmission with ATF.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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