Crankshaft Main Bearing

Service Data
Crankshaft bearing cap set bolt diameter
Standard 7.3 to 7.5 mm (0.287 to 0.295 inch)
Minimum 7.2 mm (0.283 inch)

Tightening Specifications





CRANKSHAFT
a. Install the upper bearing with an oil groove on cylinder block.
b. Install the lower bearing to the bearing cap.

NOTICE: Clean the backside of the bearing and the bearing surface of the bearing cap and keep free of oil and fat.

HINT: In case of reusing manufacture parts, measure the clearance on both sides of the bearing and install it so that the difference between measured values will be within the specified bellow.

Specified clearance:
A - B = within 0.8 mm (0.032 inch)
C - D = within 0.4 mm (0.016 inch)





c. Install the 2 thrust washers to the No.3 journal position of the cylinder block with the oil grooves facing outward.
d. Apply engine oil to the upper bearing and install the crankshaft on the cylinder block.





e. Examine the front marks and numbers and install the bearing caps on the cylinder block.
f. Apply a light coat of engine oil on the threads of the bearing cap bolts.





g. Using SST, tighten the bolts in several steps by the specified torque in the sequence shown in the illustration.
SST 09011-38121
Torque: 22 Nm (224 kgf-cm, 16 ft. lbs.)

NOTICE: Check that the crankshaft turns smoothly.





h. Mark the front of the bearing cap bolts with paint.
i. Retighten the bearing cap bolts by 90° in the same sequence as step (g).
j. Check that the painted mark is now at a 90° angle to the front.