Crankshaft Main Bearing

CRANKSHAFT

Confirm the projections and numbers on the main bearing caps and install the crankshaft bearing caps on the cylinder block.






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Temporarily install the 8 crankshaft bearing cap bolts to the inside positions.






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Bolt length 100 to 102 mm (3.94 to 4.02 in.)

Install the 8 crankshaft bearing cap bolts to the outside positions.






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Bolt length: 105.5 to 107.5 mm (4.15 to 4.23 in.)

The crankshaft bearing cap bolts are tightened in 2 progressive steps.

Step 1

Install and uniformly tighten the 16 crankshaft bearing cap bolts in several steps and in the sequence shown in the illustration.






Torque 61 Nm (622 kgf-cm, 45 ft-lbf)

If any of the crankshaft bearing cap bolts does not meet the torque specified, replace it.

Step 2

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Mark the front of the bearing cap bolts with paint.






Retighten the bearing cap bolts 90° in the sequence shown in the illustration.

Check that the painted mark is now at a 90° angle to the front of the engine.

Install 8 new seal washers and uniformly tighten the 8 crankshaft bearing cap bolts in several steps and in the sequence shown in the illustration.






Torque 52 Nm (525 kgf-cm, 38 ft-lbf)

Bolt Length






MAIN BEARING CLEARANCE, STANDARD & LIMIT






MAIN BEARING SIZE CODES

There are 5 sizes of standard bearings, marked "1", "2", "3", "4" and "5" accordingly.







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Journal Bearings






EXAMPLE: Cylinder block "11" + Crankshaft "06" = Total number 17 (Use bearing "3")

Crankshaft Main Journal Diameter:






Standard Upper Bearing Center Wall Thickness (No. 1 and No. 4 journal):






Standard Lower Bearing Center Wall Thickness (No. 1 and No. 4 journal):






Standard Upper Bearing Center Wall Thickness (No. 2 and No. 3 journal):






Standard Lower Bearing Center Wall Thickness (No. 2 and No. 3 journal):