Crankshaft Main Bearing
CRANKSHAFTThe main bearing cap bolts are tightened in 2 progressive steps.
Step 1
Install and uniformly tighten the 16 main bearing cap bolts in the sequence shown in the illustration.
Torque 61 Nm (622 kgf-cm, 45 ft-lbf)
If any of the main bearing cap bolts does not meet the specified torque, replace it.
Step 2
Mark the front of the bearing cap bolts with paint.
Tighten the bearing cap bolts another 90° in the order shown in step 1.
Check that the painted mark is now at a 90° angle to the front.
Check that the crankshaft turns smoothly.
Install and uniformly tighten the 8 main bearing cap bolts and seal washers in several steps, in the sequence shown in the illustration.
Torque 52 Nm (530 kgf-cm, 38 ft-lbf)
Bolt length
45 mm (1.77 in.) for bolt A
30 mm (1.18 in.) for except bolt A
Check that the crankshaft turns smoothly.
MAIN BEARING CLEARANCE, STANDARD & LIMIT
MAIN BEARING SIZE CODES
There are 5 sizes of standard bearings, marked "1", "2", "3", "4" and "5" accordingly.
Journal bearing
EXAMPLE: Cylinder block "11" + Crankshaft "06" = Total number 17 (Use bearing "3")