Crankshaft Main Bearing

MAIN BEARING CAP BOLTS

NOTE: The main bearing cap bolts are tightened in 2 progressive steps.

Step 1





- Install and uniformly tighten the 10 main bearing cap bolts in the sequence shown in the illustration.
Torque: 20 Nm (204 kgf-cm, 15 ft-lbf)





- Further 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.