Crankshaft Main Bearing

Crankshaft
Main bearing journal diameter 67.483 - 67.503 mm (2.6568 - 2.6576 inch)
Main bearing journal maximum taper (straightness) 0.004 mm (0.0002 inch)
Main bearing journal maximum out-of-round between cross sections 0.0075 mm (0.0003 inch)
Main bearing journal-to-cylinder block clearance 0.048 - 0.024 mm (0.0019 - 0.0009 inch)





Crankshaft Main Bearing Bolts (Cross-Mounted)

Install the vertical main bearing cap fasteners and tighten in the sequence shown, in two stages.
^ Stage 1: tighten to 40 Nm (30 ft. lbs.).
^ Stage 2: tighten an additional 90 degrees.

5.4L - Side Bolt Sequence:

Crankshaft Main Bearing Bolts (Vertical)

Install the side bolts and tighten in the sequence shown, in two stages.
^ Stage 1: tighten to 30 Nm (22 ft. lbs.).
^ Stage 2: tighten an additional 90 degrees.