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Home › Chevrolet › 2004 › Epica LT › Repair and Diagnosis › Engine Performance › System › Engine Control System - 2.0L (L34 GMDAT) - Repair Instructions › Repair Instructions › Engine Control Module (ECM) Replacement (Non European Emissions) › Installation Procedure

Installation Procedure

    Fig 1: View Of ECM And Connectors
    GM1256171Courtesy of GENERAL MOTORS CORP.
  1. Aline the ECM into the mounting base.
  2. Connect the ECM connectors to the ECM.
    3. Fig 2: View Of ECM Cover And Retaining Nuts
    GM1256170Courtesy of GENERAL MOTORS CORP.
  3. Install the front floor cover of the passenger.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the ECM retaining nuts.

    Tighten:  Tighten the ECM retaining nuts to 8 N.m (71 lb in)  .

  5. Connect the negative battery cable.
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