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Home >> Ford >> 1989 >> Bronco 5.0 N, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.0L V8 - VIN [N] & 5.8L V8 - VIN [H] >> Removal & Installation >> Main Bearings

Main Bearings

  1. Check main bearing clearance using Plastigage method. Standard size bearings may be used in combination with a .001" (.025 mm) or .002" (.051 mm) undersize bearing.
  2. If .002" (.051 mm) undersize main bearings are used on more than one journal, they must be installed in cylinder block side of crankshaft journal. Install grooved bearings in block halve and plain bearings in main cap.