Crankshaft Main Bearing

CRANKSHAFT

The cap bolts are tightened in 2 progressive steps.

Step 1:

Uniformly tighten the 16 bolts in several steps in the order shown in the illustration.






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

Mark the front side of the crankshaft bearing cap bolts with paint.

Step 2:

Tighten the bearing cap bolts 90° in the order shown in step 1.
Check that the paint mark is now at a 90° angle to the front.

Check that the crankshaft turns smoothly.






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

Torque 26 Nm (262 kgf-cm, 19 ft-lbf)

Standard Bolt:






Text in Illustration






Check that the crankshaft turns smoothly

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")

Cylinder Block Main Journal Bore Diameter (A):






Crankshaft Main Journal Diameter (B):






Standard Bearing Center Wall Thickness: