Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the exhaust gas recirculation (EGR) valve electrical connector.
Remove the EGR pipe bolt and carefully pull the pipe assembly back.
Remove the EGR valve bolts.
Remove EGR valve.
Remove the EGR valve gasket.
Clean and inspect the EGR valve gasket mating surfaces.

Fig 1: Removing EGR Valve

Courtesy of GENERAL MOTORS CORP.