GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1225011  Size: SH
  1. Disconnect the engine control module (ECM) connector.

  2. Object Number: 1225003  Size: SH
  3. Remove the ECM bolts.
  4. Remove the ECM.

Installation Procedure

Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1225062  Size: SH

    Important: If disconnecting the battery cable to the ECM, the IAC valve reset procedure should be performed.

  1. Install the ECM with the bolts.
  2. Tighten
    Tighten the ECM mounting bolts to 6-8 N·m (53-71 lb in).

  3. Connect the ECM connector.