Crankshaft Main Bearing
Main Bearing CapInstall the 5 crankshaft bearing caps in their proper locations.
HINT:
- The bearing cap bolts are tightened in 2 progressive steps.
- If any one of the bearing cap bolts is broken or deformed, replace it.
(1) Apply a light coat of engine oil to the threads and under the heads of the crankshaft bearing cap bolts.
(2) Install and uniformly tighten the 10 crankshaft bearing cap bolts in several steps, in the order shown in the illustration.
Torque: 27 Nm (275 kgf-cm, 20 in-lbf)
If any one of the bearing cap bolts does not meet the torque specification, replace the bearing cap bolt.
(3) Mark the front of the crankshaft bearing cap bolts with paint.
(4) Retighten the crankshaft bearing cap bolts by 90° in the order shown.
(5) Check that the painted mark is now at a 90° angle to the front.
(6) Check that the crankshaft turns smoothly.
Main journal bore diameter on cylinder block: 72.000 to 72.016 mm (2.8347 to 2.8353 in.)
Main journal oil clearance
No. 1 and No.5 STD: 0.028 to 0.046 mm (0.0011 to 0.0018 in.)
Others STD: 0.040 to 0.058 mm (0.0016 to 0.0023 in.)
No. 1 and No. 5 Maximum: 0.065 mm (0.0026 in.)
Others Maximum: 0.065 mm (0.0026 in.)
Main journal diameter: 66.988 to 67.000 mm (2.6373 to 2.6378 in.)
Main bearing center wall thickness
No. 1 and No. 5
Mark 3: 2.487 to 2.490 mm (0.0979 to 0.0980 in.)
Mark 4: 2.490 to 2.493 mm (0.0980 to 0.0982 in.)
Mark 5: 2.493 to 2.496 mm (0.0982 to 0.0983 in.)
Mark 6: 2.496 to 2.499 mm (0.0983 to 0.0984 in.)
Mark 7: 2.499 to 2.502 mm (0.0984 to 0.0985 in.)
Other
Mark 1: 2.481 to 2.484 mm (0.0977 to 0.0978 in.)
Mark 2: 2.484 to 2.487 mm (0.0978 to 0.0979 in.)
Mark 3: 2.487 to 2.490 mm (0.0979 to 0.0980 in.)
Mark 4: 2.490 to 2.493 mm (0.0980 to 0.0982 in.)
Mark 5: 2.493 to 2.496 mm (0.0981 to 0.0983 in.)