Aviator 2WD V8-4.6L DOHC (2003)
Crankshaft Main Bearing: Specifications
Main bearing journal diameter .................................................................................................................. 67.481-67.505 mm (2.6567269-2.6576718 inch)
Main bearing journal maximum taper .............................................................................................................................................. 0.004 mm (0.0002 inch)
Main bearing journal maximum out-of-round .................................................................................................................................. 0.006 mm (0.0002 inch)
Main bearing journal-to-cylinder block clearance - desired .................................................................................. 0.025-0.045 mm (0.00098-0.00177 inch)
Main bearing journal-to-cylinder block clearance - allowable .............................................................................. 0.025-0.050 mm (0.00098-0.00197 inch)
For specifications regarding Main Bearing Cap bolts, refer to service procedure. See: Service and Repair/Engine/Assembly
