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Engine Coolant Temperature Sensor Replacement

Fig 1: Engine Coolant Temperature Sensor
GM2662899Courtesy of GENERAL MOTORS COMPANY
Engine Coolant Temperature Sensor Replacement

Callout Component Name
Preliminary Procedure 
Partially drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill LF1, LLT,LFW or LFX) , Cooling System Draining and Filling (Static Fill LSA) , Cooling System Draining and Filling (GE 47716 LF1, LLT,LFW or LFX) , Cooling System Draining and Filling (GE 47716 LSA) .
1 Engine Coolant Temperature Sensor
CAUTION:

Refer to Fastener Caution .


Procedure 
Disconnect the ECT sensor harness connector.
Tighten 
20 N.m (35 lb ft)