Envoy 2WD L6-4.2L (2008)
4. If removing the ECM and bracket assembly in order to access other components perform the following steps, otherwise proceed to step 5.
1. Remove the ECM bracket nuts (1) and bolts (2)
2. Remove the ECM and bracket assembly (3) from the studs on the intake manifold
5. Disengage the retainers (1) securing the ECM to the bracket.