Cylinder Block
WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 1997 Oldsmobile Bravada, 1997 GMC Sonoma, 1997 GMC Savana, 1997 GMC Safari, and 1997 GMC Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Measure cylinder bore out-of-round and taper. If measurement is not within specification, machine cylinder bore and/or replace piston. See CYLINDER BLOCK table under ENGINE SPECIFICATIONS. Finish bore with a 45-65 degree cross-hatch pattern.