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GMC Workshop Service and Repair Manuals

Crankshaft Position Sensor > < Coolant Temperature Sensor/Switch (For Computer)|Diagrams|Page 2484
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Coolant Temperature Sensor/Switch (For Computer): Service and Repair

ECT Sensor Location

REMOVAL PROCEDURE

1. Remove the negative battery cable. Refer to Battery Disconnect Caution. See: Computers and Control Systems/Service Precautions/Vehicle

Damage Warnings

2. Drain the cooling system below the level of the sensor.
3. Remove the electrical connector by releasing the locking tab.
4. Remove the sensor.

INSTALLATION PROCEDURE

1. Install the sensor into the engine.
2. Install the electrical connector.
3. Refill the coolant system.
4. Connect the negative battery cable.

Crankshaft Position Sensor > < Coolant Temperature Sensor/Switch (For Computer)|Diagrams|Page 2484