Removal (4.8L, 5.3L & 6.0L)
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.
Loosen the intake manifold sight shield bolt. Remove the sight shield from the sight shield retainer. Remove the sight shield retainer bolts and the retainer, if required.