LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2005 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

  1. Apply RTV sealant, or equivalent, to the sensor threads.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the ECT sensor.

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

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