EGR Valve Throttle Solenoid: Removal
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the negative battery cables. Loosen the charged air cooler outlet duct clamp. Remove the charged air cooler outlet duct. Disconnect the Exhaust Gas Recirculation (EGR) throttle valve solenoid electrical connector. See Figure. Disconnect the EGR throttle valve solenoid vacuum lines. Remove the solenoid bolt and the solenoid.