F 550 2WD Super Duty V8-6.0L DSL Turbo VIN P (2006)
Crankshaft Main Bearing: Specifications
Crankshaft
Main bearing journal diameter
Standard size ........................................................................................................................................... 80.9873 - 81.0127 mm (3.188 - 3.150 inch)
0.254 mm (0.010 inch) undersize ............................................................................................................ 80.7333 - 80.7587 mm (3.178 - 3.140 inch)
0.508 mm (0.020 inch) undersize ............................................................................................................ 80.4793 - 80.5047 mm (3.168 - 3.130 inch)
0.762 mm (0.030 inch) undersize ............................................................................................................ 80.2253 - 80.2507 mm (3.158 - 3.120 inch)
Main bearing bore inside diameter .................................................................................................................... 85.99 - 86.01 mm (3.3854 - 3.3862 inch)
Main bearing journal maximum taper ............................................................................................................................................................................... -
Main bearing journal maximum out-of-round ................................................................................................................................................................... -
Main bearing journal-to- cylinder block clearance ............................................................................................ 0.020 - 0.086 mm (0.0008 - 0.0034 inch)
Crankshaft maximum end play ...................................................................................................................................................... 0.508 mm (0.020 inch)
Main Bearing Cap Fasteners
To prevent engine damage, make sure that the longer main cap bolts (M14 x 2 x 127) are installed inboard and the shorter bolts (M14 x 2 x 114) are
installed outboard.
Lower bolts
First pass ....................................................................................................................................................................................... 122 Nm (90 ft. lbs.)
Second pass ................................................................................................................................................................................ 163 Nm (120 ft. lbs.)
Final pass .................................................................................................................................................................................... 231 Nm (170 ft. lbs.)
Outer bolts ............................................................................................................................................................................................ 31 Nm (23 ft. lbs.)
