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Home >> Chevrolet >> 2007 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 978 (Engine Controls And Fuel - 3.5L - Repair Instructions) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 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 Upper Intake Manifold
    GM1775159Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill-LY7, LZE, LZ4) or Cooling System Draining and Filling (GE 47716) .
  2. Remove the intake manifold cover, if necessary. Refer to Intake Manifold Cover Replacement .
  3. Disconnect the fuel injector wiring harness electrical connector from the engine coolant temperature (ECT) sensor.
    4. Fig 2: View Of ECT
    GM1586322Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECT sensor.
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