EGR Valve: Removal
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the EGR valve electrical connector. See Figure. Remove the heat shield. Remove the EGR valve retaining bolts/nuts. Remove the EGR valve assembly. Remove the gasket. Clean the EGR valve mating surface.