Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

Fig 1: Identifying ECT Sensor
Courtesy of GENERAL MOTORS CORP.

Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement (LMM) .
Drain the coolant to a level below the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac N Fill) .
Disconnect the engine wiring harness electrical connector(s) (1) from the appropriate ECT sensor (s).

Fig 2: Identifying ECT Sensor

Courtesy of GENERAL MOTORS CORP.

Remove the appropriate ECT sensor(s) (1).