Crankshaft Main Bearing

MAIN BEARING CAP BOLTS
- Apply engine oil to the upper bearing and install the crankshaft on the cylinder block.





- Examine the front marks and numbers and install the bearing caps on the cylinder block.
- Apply a light coat of engine oil on the threads of the bearing cap bolts.
- Temporarily install the 8 main bearing cap bolts to the inside positions.





- Install the main bearing cap by hand using the inner bolt as a guide. Stop the main bearing cap is about 6 mm (0.23 in.) away from contacting with the block.





- Using a plastic-faced hammer, lightly tap the bearing cap to ensure a proper fit.
- Apply a light coat of engine oil on the threads of the main bearing cap bolts.





- Uniformly install and tighten the 16 main bearing cap bolts in the sequence shown in the illustration.
Torque: 22 Nm (224 kgf-cm, 16 ft-lbf)





- Mark the front side of the bearing cap bolts with paint.
- Retighten the bearing cap bolts by 90° in the same sequence as step (h).
- Check that each painted mark is now at a 90°angle to the front.
- Check that the crankshaft turns smoothly.
- Install a new seal washer to the main bearing cap bolt.





- Uniformly install and tighten the 8 main bearing cap bolts in the sequence shown in the illustration.
Torque: 27 Nm (275 kgf-cm, 20 ft-lbf)

HINT: Use the short bolt for the marked position (arrow).