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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Engine System - General Information) >> General Procedures >> Connecting Rod Bearing Journal Taper and Out-of-Round

Connecting Rod Bearing Journal Taper and Out-of-Round

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to the SPECIFICATIONS .
  1. Measure the crankshaft connecting rod journal diameters in 2 directions perpendicular to one another at each end of the connecting rod journal. The difference in the measurements from one end to the other is the taper. Verify measurement is within the wear limit.
  2. Fig 1: Measuring Crankshaft Journal Diameters
    GF0000181Courtesy of FORD MOTOR CO.