Crankshaft Main Bearing: Specifications

CRANKSHAFT

Maximum circle runout:
0.03 mm (0.0012 in.)

Maximum taper and distortion:
0.004 mm (0.0002 in.)

Standard diameter (Reference):





CRANKSHAFT THRUST CLEARANCE

Standard thrust clearance:
0.04 to 0.14 mm (0.0016 to 0.0055 in.)
Maximum thrust clearance:
0.18 mm (0.0070 in.)

CRANKSHAFT OIL CLEARANCE
Standard oil clearance:
0.016 to 0.039 mm (0.0006 to 0.0015 in.)
Maximum oil clearance:
0.050 mm (0.0020 in.)


Standard crankshaft journal diameter:






Standard bearing center wall thickness:





DIAMETER OF CRANK PIN
Standard diameter:
43.992 to 44.000 mm (1.7320 to 1.7323 in.)

CYLINDER BLOCK FOR WARPAGE

Maximum warpage:
0.05 mm (0.0020 in.)

CYLINDER HEAD FOR FLATNESS

Maximum warpage:






MAIN BEARING





Step 1
Install and uniformly tighten the 10 main bearing cap bolts in the sequence shown in the illustration.
Torque: 40 Nm (408 kgf-cm, 30 ft-lbf)






Step 2
Mark the front of the bearing cap bolts with paint.
Further tighten the bearing cap bolts by 90° in the numerical order shown in the previous illustration.
Check that the paint mark is now at a 90° angle to the front.