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Home >> Pontiac >> 2005 >> GTO Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls - Introduction) >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2005 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply RTV sealant, or equivalent, to the sensor threads.
  2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the ECT sensor.

    Tighten:  Tighten the engine coolant temperature sensor to 18 N.m (13 lb ft).

  4. Fig 1: Removing/Installing Engine Coolant Temperature Sensor
    GM894672Courtesy of GENERAL MOTORS CORP.
  5. Connect the ECT sensor harness connector. Push the connector in until the lock position is felt, then pull back to confirm engagement.
  6. Refill the cooling system to the proper level. Refer to Draining and Filling Cooling System in Engine Cooling.