2012 Acura MDXFACTORY OEM SERVICE PROCEDURE

ATF Temperature Sensor Replacement

  1. Raise the vehicle on a lift, or apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
  2. Remove the front undercover (A) and the splash shield (B).
    Fig 1: Locating Front Undercover And Splash Shield With Torque Specifications
    G08057386Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove the drain plug (A), and drain the automatic transmission fluid (ATF).
    Fig 2: Locating Drain Plug And Sealing Washer With Torque Specifications
    G08057387Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Reinstall the drain plug with a new sealing washer (B).
  5. Disconnect the ATF temperature sensor connector (A), then remove the ATF temperature sensor (B).
    Fig 3: Locating ATF Temperature Sensor Connector, ATF Temperature Sensor And O-Ring With Torque Specifications
    G08057388Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Apply ATF to a new O-ring (C), and install the O-ring over the ATF temperature sensor. Then install the ATF temperature sensor.
  7. Check the connector for corrosion, dirt, or oil, and clean or repair if necessary, then connect the ATF temperature sensor connector securely.
  8. Refill the transmission with ATF (see step Β 8 under ATF ReplacementΒ  ).
  9. Install the splash shield and the front undercover.
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:

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

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