Crankshaft Main Bearing

CRANKSHAFT MAIN BEARING






CAUTION: Before tightening bolts, you must identify the bolt head to obtain the correct torque value. Failure to identify the bolts correctly, could result in improperly tightened bolts which could result in engine damage.

If your bolt heads look like this (1,2), go to step 15. If your bolt heads do not look like this (1,2), go to step 16.





15.
Tighten bolts using a three step method, in the sequence shown.
Tighten bolts 15 Nm (11 ft. lbs.)
Tighten bolts 27 Nm (20 ft. lbs.)
Rotate an additional 45°.

16.
Tighten bolts using a three step method, in the sequence shown.
Tighten bolts 15 Nm (11 ft. lbs.)
Tighten bolts 45 Nm (33 ft. lbs.)
Rotate an additional 45°.

Main Bearing Diametrical Clearance 0.028 - 0.048 mm (0.0011 - 0.0018 in.)
Main Bearing Diametrical Clearance (Max) 0.058 mm (0.0022 in.)

Wear Limit 0.30 mm (0.0118 in.)

Lower Main Bearing Selection:






Upper Main Bearing Selection: