Valve Clearance
WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
All engines are equipped with hydraulic lifters, except for 6.6L diesel engine. Adjustments are not required. The 6.6L diesel engine is equipped with mechanical roller lifters. Adjustment is not required as routine service. Adjustment is only performed after disassembly of engine components. See 6.6L V8 DIESEL
in ENGINES.