July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

Fig 1: Identifying Evaporative Emission (EVAP) Canister Purge Solenoid Valve

GM1544746

Courtesy of GENERAL MOTORS CORP.

Disconnect the electrical connector (1) from the exhaust gas recirculation (EGR) valve (2).

Fig 2: Removing/Installing EGR Valve

GM1239053

Courtesy of GENERAL MOTORS CORP.

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.