2006 Chevrolet Epica LTFACTORY OEM SERVICE PROCEDURE

Removal Procedure

    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Remove the battery. Refer to Battery Tray Replacement in Engine Electrical.
    2. Fig 1: View Of ECM, Bracket And Nuts
    GM1372459Courtesy of GENERAL MOTORS CORP.
  2. Remove the engine control module (ECM) bracket nuts.
    3. Fig 2: View Of ECM And Retaining Nuts
    GM1372457Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the ECM connector.
  4. Remove the ECM retaining nuts and the ECM.
Chapter Navigation
Return to Chapter: Engine Control Module (ECM) Replacement
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.