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Home >> GMC >> 1998 >> Jimmy 2D Utility, RWD, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J] >> Overhaul >> Cylinder Block Assembly >> Rod Bearings

Rod Bearings

Measure rod bearing journal out-of-round, taper and oil clearance. If measurement is not within specification, replace rod bearings and/or machine crankshaft. See appropriate CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS table under ENGINE SPECIFICATIONS. Ensure rod side play is within specification. On 7.4L engine, tighten inside bearing cap bolts first, then outside bearing cap bolts.

NOTE: On 7.4L, if rear main bearing cap is removed, replace rear crankshaft oil seal (transmission must be removed to replace seal).
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