2012 Acura RLFACTORY 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 splash shield (see SPLASH SHIELD REPLACEMENT ).
  3. Remove the drain plug (A) and sealing washer (B), and drain the automatic transmission fluid (ATF).
    Fig 1: Removing Drain Plug And Sealing Washer With Torque Specifications
    G07362333Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Reinstall the drain plug with a new sealing washer.
  5. Disconnect the ATF temperature sensor connector, then remove the ATF temperature sensor (A).
    Fig 2: Removing ATF Temperature Sensor With Torque Specifications
    G07362334Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Install a new O-ring (B) on a new ATF temperature sensor, and install the ATF temperature sensor.
  7. Check the connector for corrosion, dirt, or oil, and clean or repair if necessary, then connect the connector securely.
  8. Install the splash shield (see SPLASH SHIELD REPLACEMENT ).
  9. Refill the transmission with ATF (see step  7 ).
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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.