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Home >> Chevrolet >> 2005 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 1210 (Engine Controls/Fuel - 2.4L - Repair Instructions) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2012 Chevrolet Malibu. 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: View Of Engine Wiring Harness Electrical Connectors
    GM1889684Courtesy of GENERAL MOTORS COMPANY
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716) , Cooling System Draining and Filling (Static Fill) .
  2. Disconnect the engine wiring harness electrical connector (1) from the engine coolant temperature (ECT) sensor (2).
    3. Fig 2: Identifying ECT Sensor & Thermostat Housing
    GM1889685Courtesy of GENERAL MOTORS COMPANY
  3. Remove the ECT sensor (1) from the thermostat housing.
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