Main Bearing

MAIN BEARING CAP

(a) Apply engine oil to the upper bearing, then place the crankshaft on the cylinder block.





(b) Install the 5 crankshaft bearing caps in their proper locations.





(c) Install the crankshaft bearing cap bolts.

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

(d) Step 1
(1) Install and uniformly tighten the 10 main bearing cap bolts in the sequence shown in the illustration.
Torque: 39 Nm (398 kgf-cm, 29 ft-lbf)

If any of the main bearing cap bolts does not meet the torque specification, replace the main bearing cap bolt.





(e) Step 2
(1) Mark the front of the bearing cap bolts with paint.
(2) Retighten the bearing cap bolts by 90° in the order above.
(3) Check that the painted mark is now at a 90° angle to the front.
(f) Check that the crankshaft turns smoothly.
(g) Check the crankshaft thrust clearance.