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Home >> Pontiac >> 1987 >> Safari >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.0L (307") V8 - VIN [Y] >> Overhaul >> Thrust Bearing Alignment

Thrust Bearing Alignment

  1. Check crankshaft end play with crankshaft bearing caps installed. Replace No. 3 main thrust bearing (upper and lower), if crankshaft end play is not correct. Crankshaft end play is .0035-.0135" (.09-.35 mm). Rotate crankshaft to ensure there is no excessive drag.
  2. If end play is less than specification, inspect thrust bearing surfaces for scratches, burrs, nicks or dirt. Clean up minor imperfections with oil stone. Recheck end play.
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