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Home >> Chevrolet >> 1990 >> Step Van 7.4 N, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 7.4L V8 - VIN [N] >> Overhaul >> Thrust Bearing Alignment

Thrust Bearing Alignment

  1. Ensure all main bearing caps, except rear main (thrust) bearing, are installed and tightened to specification. See TORQUE SPECIFICATIONS table. Temporarily tighten rear main bearing cap bolts to 10 ft. lbs. (14 N.m).
  2. Tap end of crankshaft back and forth to line up main bearing and crankshaft thrust surfaces. Tighten thrust bearing cap to specification. Retighten all main bearing cap bolts to specification, including thrust bearing. Rotate crankshaft to confirm free movement.
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