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Engine Coolant Temperature Sensor Replacement

Fig 1: Identifying Engine Coolant Temperature Sensor
GM2193079Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
Partially drain the cooling system. Refer to Cooling System Draining and Filling (Static LF1 or LFW) or Cooling System Draining and Filling (GE 47716) or Cooling System Draining and Filling (Static LAF) .
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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