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ECT Sensor 1 Replacement

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the engine coolant (see COOLANT REPLACEMENT ).
  2. Remove the engine cover (see step 1 REMOVAL ).
  3. Remove the main under-hood fuse/relay box.
  4. Disconnect the ECT sensor 1 connector (A).
    Fig 1: ECT Sensor 1 Connector With Torque Specification
    G05485125Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove ECT sensor 1 (B).
  6. 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 ).
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