Crankshaft Main Bearing Journal - Taper

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Measure each of the crankshaft main bearing journal diameters in at least two directions at each end of the main bearing journal.
- If out of specification, install new components as necessary.
  
  Fig 1: Measuring Crankshaft Main Bearing Journal - Taper
  Courtesy of FORD MOTOR CO.