GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1760936  Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the engine control module (ECM) connectors from the ECM.

  3. Object Number: 1760937  Size: SH
  4. Remove the ECM bracket retaining nuts.
  5. Remove the ECM with the bracket attached from the battery tray.

  6. Object Number: 1760938  Size: SH
  7. Unclip the ECM to the bracket and separate the ECM from the bracket.

Installation Procedure


    Object Number: 1760937  Size: SH
  1. Install the ECM into the bracket.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the ECM with the bracket attached to the battery tray.
  4. Tighten
    Tighten the ECM bracket retaining nuts to 15 N·m (11 lb ft).


    Object Number: 1760936  Size: SH
  5. Connect the ECM connectors to the ECM.
  6. Important: If the ECM has been replaced, perform the ECM reprogramming process.

  7. Connect the negative battery cable.