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Home >> Lincoln >> 2007 >> Navigator 2WD V8-5.4L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Crankshaft Main Bearing
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Crankshaft Main Bearing

Cylinder Block
Main bearing bore inside diameter 72.400-72.424 mm (2.850-2.851 inch)

Crankshaft
Main bearing journal
Diameter 67.481-67.505 mm (2.6567-2.6576 inch)
Maximum taper 0.004 mm (0.0002 inch)
Maximum out-of-round 0.0075 mm (0.0003 inch) between cross sections
Journal-to-cylinder block clearance 0.048-0.024 mm (0.0019-0.0009 inch)
Connecting rod journal
Diameter 53.003-52.983 mm (2.0867-2.0859 inch)
Maximum taper 0.004 mm (0.0002 inch)
Maximum out-of-round 0.0075 mm (0.0003 inch) between cross sections
Crankshaft maximum end play 0.075-0.377 mm (0.0030-0.0148 inch)

Main Bearing Size Codes














Vertical Main Bearing Cap Fasteners





First pass 40 Nm (30 ft. lbs).
Final pass Tighten 90°

Side Bolts





First pass 30 Nm (22 ft. lbs).
Final pass Tighten 90°