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Home >> GMC >> 2005 >> Jimmy Part Time, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - (Introduction) >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Installation Procedure
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Installation Procedure

NOTE: Refer to Component Fastener Tightening Notice in Cautions and Notices.
NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  1. Coat the threads (only) with GM P/N 12346004 sealer or equivalent.
    2. Fig 1: View Of ECT Sensor
    GM246800Courtesy of GENERAL MOTORS CORP.
  2. Install the ECT sensor in the engine.

    Tighten:  Tighten the sensor to 20 N.m (15 lb ft).

    3. Fig 2: Locating Engine Coolant Temperature (ECT) Sensor Electrical Connector
    GM246797Courtesy of GENERAL MOTORS CORP.
  3. Connect the ECT sensor harness connector.
  4. Refill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
    5. Fig 3: View Of Air Cleaner Cover & Air Cleaner Outlet Duct
    GM288463Courtesy of GENERAL MOTORS CORP.
  5. Install the air cleaner outlet duct assembly and tighten the wing nuts.
  6. Connect the negative battery cable.
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