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Home >> GMC >> 2019 >> Sierra 2500 HD Base, 2D Pickup, Gas >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.0L (L96 LC8) - Repair Instructions >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Installation Procedure

Installation Procedure

CAUTION:

Do not insert any tools into the throttle body bore in order to avoid damage to the throttle valve plate.

CAUTION:

Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

  1. If installing the old sensor, coat the threads with sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent.
    GM855737Courtesy of GENERAL MOTORS COMPANY
    2. CAUTION:

    Refer to Fastener Caution .

  2. Install the ECT sensor and tighten to 20 N.m (15 lb ft).
  3. Connect the engine wiring harness electrical connector (2) to the ECT sensor.
    GM1696914Courtesy of GENERAL MOTORS COMPANY
  4. Refill the cooling. Refer to Cooling System Draining and Filling (Static Fill LC8 L96)Cooling System Draining and Filling (Vac N Fill LC8 L96)Cooling System Draining and Filling (Vac N Fill L83)Cooling System Draining and Filling (Static L83)Cooling System Draining and Filling (Vac N Fill L5P)Cooling System Draining and Filling (Static L5P) .
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