A Component Comparison from the Previous Year

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

A new 5.3 L engine has been developed and is identified as RPO L59-VIN Z.
A new 6.0 L engine has been developed and is identified as RPO LQ9-VIN N.
All applications will use a two-point engine coolant air bleed pipe design.
The Air Injection Reaction (AIR) system had been deleted from all applications.
A second design valve stem oil seal and shim assembly will be used on all engines.
Certain applications use a multi-layer steel design cylinder head gasket.
6.0 L LQ9 engines will use a full-floating piston and pin design. In those applications, the pin is retained in the piston by retaining clips.