Operation CHARM: Car repair manuals for everyone.

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

If your bolt heads do not look like this (1,2).
Tighten bolts using a three step method, in the sequence shown.
Tighten bolts to 15 Nm (11 ft. lbs.)
Tighten bolts to 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