FixVault

Removal Procedure

    Fig 1: ECT & HO2S Wiring Harness Connectors
    GM1838989Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the engine wiring harness electrical connector (1) from the engine coolant temperature (ECT) sensor.
  2. Fig 2: ECT Sensor
    GM1836047Courtesy of GENERAL MOTORS CORP.
  3. Remove the ECT sensor.