Crankshaft Main Bearing

CRANKSHAFT

Temporarily install the 8 main bearing cap bolts in the inside positions.

Install the main bearing caps. Tighten the 2 bolts for each bearing cap until the clearance between the bearing cap and the cylinder block is under 6 mm (0.23 in.).






Install the 16 main bearing cap bolts. Using several steps, tighten the bolts uniformly in the sequence shown in the illustration.






Torque 61 Nm (622 kgf-cm, 45 ft-lbf)

Mark the front side of the bearing cap bolts with paint.






Retighten the bearing cap bolts 90° in the sequence as shown.

Check that the painted mark is now at a 90° angle from the front.

Check that the crankshaft turns smoothly.

Tighten the 8 main bearing cap bolts uniformly in the sequence shown in the illustration.






Torque 25 Nm (255 kgf-cm, 18 ft-lbf)

MAIN BEARING CLEARANCE STANDARD AND LIMIT






MAIN BEARING SIZE CODES

There are 5 size of standard bearings, marked "1", "2", "3", "4" and "5" accordingly.






Journal bearing






EXAMPLE

Cylinder block "11" (A) + Crankshaft "06" (B)

=Total number 17 (Use bearing "3")