Engine Coolant Temperature Sensor Replacement (FWD)

WARNING: This page is about a different variant/trim than selected.

Fig 1: Engine Coolant Temperature Sensor

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: Allow sufficient time for the engine to cool before removing the ECT sensor. A hot engine may cause an excessive coolant loss or a personal injury. CAUTION: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system. Preliminary Procedures Disconnect Battery Negative Cable. Refer to Battery Negative Cable Disconnection and Connection (KL9) Remove Exhaust Front Pipe. Refer to Exhaust Front Pipe Replacement (LH7) Drain cooling system. Refer to Cooling System Draining and Filling (GE 47716)Cooling System Draining and Filling (Static)
1	Engine Coolant Temperature Sensor CAUTION: Refer to Component Fastener Tightening Caution Procedure Disconnect the engine coolant temperature sensor electrical connector. Tighten 45 N.m (33 lb ft)

Callout

Component Name

WARNING:

Allow sufficient time for the engine to cool before removing the ECT sensor. A hot engine may cause an excessive coolant loss or a personal injury.

CAUTION:

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

Preliminary Procedures

Engine Coolant Temperature Sensor

CAUTION:

Procedure
Disconnect the engine coolant temperature sensor electrical connector.
Tighten
45 N.m (33 lb ft)