gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Temperature Versus Resistance (Fuel Temperature Sensor)|Page 6967 > < Temperature Versus Resistance (Fuel Temperature Sensor)|Page 6965
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Coolant Temperature Sensor/Switch (For Computer): Service and Repair

Engine Coolant Temperature Sensor Replacement

Removal Procedure

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

1. Drain the cooling system to a level below the engine coolant temperature (ECT) sensors. Refer to Cooling System Draining and Filling (Static Fill)

Cooling System Draining and Filling (Vac-N-Fill).

2. Disconnect the engine wiring harness electrical connector (1) from the appropriate ECT sensor.

3. Remove the appropriate ECT sensor (1).

Installation Procedure

Temperature Versus Resistance (Fuel Temperature Sensor)|Page 6967 > < Temperature Versus Resistance (Fuel Temperature Sensor)|Page 6965