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Home >> GMC >> 2002 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Installation Procedure
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Installation Procedure

NOTE: Refer to FASTENER NOTICE .
  1. Install the sensor into the engine.

    Tighten 

    Tighten the sensor to 25 N.m (18 lb ft).

    Fig 1: ECT Sensor
    G01599437Courtesy of GENERAL MOTORS CORP.
  2. Install the electrical connector.
  3. Refill the coolant system.
  4. Install the negative battery cables.
    Fig 2: ECT Electrical Connector
    G01599438Courtesy of GENERAL MOTORS CORP.
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