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Crankshaft Main Bearing

CRANKSHAFT MAIN BEARING

Inner main bearing cap bolts 20 Nm + 1/4 turn (15 ft.lbs. + 1/4 turn).
Outer Main Cap Bolts 27 Nm + 1/4 turn (20 ft. lbs. + 1/4 turn)
Tie Bolts (Horizontal) 28 Nm (250 in.lbs.).

The main bearing cap bolts must be tightened in the proper sequence. First the inner main cap bolts, secondly the windage tray bolts, lastly the main cap tie (horizontal) bolts.


Main Bearing Diametrical Clearance 0.032-0.062 mm (0.0013-0.0024 in.)
Bearing Clearance (Wear Limit) 0.070 mm (0.0027 in.)

Main Bearing Selection Chart