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Engine Coolant Temperature Sensor Replacement

Fig 1: Engine Coolant Temperature Sensor
GM2193079Courtesy 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) , Cooling System Draining and Filling (GE 47716) .
1 Engine Coolant Temperature Sensor
CAUTION:

Refer to Fastener Caution .

Procedure

  1. Reposition the sensor heat shield.
  2. Disconnect the ECT sensor harness connector.

    Tighten 

    20 N.m (35 lb in)
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