Operation CHARM: Car repair manuals for everyone.

Crankshaft Main Bearing

CRANKSHAFT

Tighten the crankshaft bearing cap bolts.

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

Step 1:

Uniformly tighten the 16 crankshaft bearing cap bolts in several steps 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 specified torque, replace it.


Step 2:

Mark the front of the bearing cap bolts with paint.

Tighten the bearing cap bolts 90° in the order shown in step 1.

Check that the painted marks are now at a 90° angle to the front.

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






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


Standard Bolt:






Text in Illustration






MAIN BEARING CLEARANCE, STANDARD & LIMIT






MAIN BEARING SIZE CODES

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






New Bearing:






Text in Illustration






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


Standard Cylinder Block Main Journal Bore Diameter (A):






Standard Crankshaft Main Journal Diameter (B):






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):