Engine Coolant Temperature Sensor Replacement

Fig 1: Identifying Engine Coolant Temperature Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure:  Partially drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716 Fill) or Cooling System Draining and Filling (Static Fill LNF) .
1	Engine Coolant Temperature Sensor NOTE: Refer to Fastener Notice . Procedure:  Disconnect the electrical connector. Tighten:  20 N.m (15 lb ft)