2011 Acura TL BaseFACTORY OEM SERVICE PROCEDURE

ECT Sensor 1 Replacement

  1. Drain the engine coolant (see COOLANT REPLACEMENT ).
  2. Disconnect the ECT sensor 1 2P connector (A).
    Fig 1: Identifying ECT Sensor 1 With O-Ring And 2P Connector
    G06679731Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove ECT sensor 1 (B).
  4. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant (see COOLANT REPLACEMENT ).
Factory Service Tools

Use the Manual With the Right Hardware

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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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