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Engine Coolant Temperature Sensor Replacement (LFX)

Fig 1: Identifying Engine Coolant Temperature Sensor
GM2193079Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Partially drain the cooling system. Cooling System Draining and Filling (Static Fill)Cooling System Draining and Filling (GE 47716)
1 Engine Coolant Temperature Sensor
CAUTION:

Refer to Fastener Caution .

Procedure

  1. If equipped, reposition the engine coolant temperature sensor heat shield.
  2. Disconnect the electrical connector.

Tighten 
20 N.m (15 lb ft)