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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 4.3L V6 - VIN [Z] >> Overhaul >> Rod Bearings

Rod Bearings

  1. Measure rod bearing journal out-of-round, taper and oil clearance. If not within specification, replace rod bearings and/or machine crankshaft. See CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS table under ENGINE SPECIFICATIONS at end of article.
  2. Ensure rod side play is within specification. See CONNECTING RODS table under ENGINE SPECIFICATIONS at end of article.
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