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Home › Chevrolet › 2008 › Optra LS, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 2.0L (Diesel) › Repair Instructions › Engine Control Module Replacement › Removal Procedure

Removal Procedure

  1. Remove the battery. Refer to Battery Replacement .
    2. Fig 1: Identifying ECM, Bracket And Bolts
    GM1962848Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the engine control module (ECM) connectors.
  3. Remove the ECM from the bracket.
  4. Remove the ECM bracket if necessary.
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