A Component Comparison from the Previous Year

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The exhaust gas recirculation system (EGR) has been removed. Refer to Disassembled Views .
The front cover is now aligned to the engine block with 2 front cover locating pins.
All applications use a full-floating design piston and pin assembly.