gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 4620 > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 4618
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Coolant Temperature Sensor/Switch (For Computer): Service and Repair

ENGINE COOLANT TEMPERATURE (ECT) SENSOR REPLACEMENT

REMOVAL PROCEDURE

NOTE:  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) sensor. Refer to Draining and Filling Cooling System in Cooling

System.

2. Disconnect the ECT sensor electrical connector (3).

3. Remove the ECT sensor electrical connector from the oil fill tube bracket.

4. Remove the ECT sensor.

INSTALLATION PROCEDURE

Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 4620 > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 4618