Crankshaft Main Bearing
MAIN BEARINGMain Bearing Journal Diameter 63.488 - 63.512 mm (2.4996 - 2.5005 in.)
Bearing Clearance 0.002 - 0.046 mm (0.00008 - 0.0018 in.)
Out of Round (MAX) 0.005 mm (0.0002 in.)
Taper (MAX) 0.006 mm (0.0004 in.)
CRANKSHAFT MAIN BEARING SELECTION
Service main bearings are available in four grades. The chart below identifies the four service grades available.
MAIN BEARING CAP
Install the bedplate retaining bolts, making sure to place the stud bolts in the correct location, Torque the bolts in the sequence shown.
Hand tighten bolts 1D,1G and 1F until the bedplate contacts the block.
Tighten bolts 1A - 1J to 54 Nm (40 ft. lbs.)
Tighten bolts 1 - 8 to 7 Nm (62 in. lbs.)
Turn bolts 1 - 8 an additional 90°.
Tighten bolts A - E 27 Nm ( 20 ft. lbs.).