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Home >> GMC >> 1999 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J]) >> Overhaul >> Cylinder Block Assembly >> Piston & Rod Assembly

Piston & Rod Assembly

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Mark piston in relation to cylinder bore before removal. Piston pin is press-fit in connecting rod. Mark piston in relation to connecting rod before separating components. Replace piston and piston pin as matched set. Install piston in bore with notch (dimple on 7.4L) on top of piston toward front of engine.