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Home >> Lincoln >> 2011 >> MKS EcoBoost >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine System - General Information >> General Procedures >> Crankshaft Main Bearing Journal Taper and Out-of-Round

Crankshaft Main Bearing Journal Taper and Out-of-Round

NOTE: Refer to the appropriate ENGINE MECHANICAL - 3.5L GTDI or ENGINE MECHANICAL - 3.7L for the specification.
  1. Measure each of the crankshaft main bearing journal diameters in at least 2 directions at each end of the main bearing journal.
    Fig 1: Identifying Crankshaft Main Bearing Journal Taper And Out-Of-Round Measuring Directions
    G07813950Courtesy of FORD MOTOR CO.