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Home >> GMC >> 1997 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Engine Mechanical - 4.3L V6 - VIN W & ,X) >> Overhaul >> Cylinder Block Assembly >> Cylinder Block

Cylinder Block

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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.