Main Bearing Cap

Main Bearing Cap
Tighten main bearing cap bolt as follows:
Apply new engine oil to threads and seat surfaces of mounting bolts.





Tighten bolts in numerical order as shown in the figure in several different steps.
Torque 32.3 - 38.3 Nm (3.3 - 3.9 kg-m, 24 - 28 ft. lbs.)





Turn all bolts another 90 to 95 degrees clockwise [Target: 90 degrees (Angle tightening)].

CAUTION: Use angle wrench [SST: KV10112100 (BT8653-A)] to check tightening angle. Do not make judgment by visual inspection.

After installing mounting bolts, make sure that crankshaft can be rotated smoothly by hand.

MAIN BEARING CAP BOLT OUTER DIAMETER





^ Measure the outer diameters (d1, d2) at two positions as shown in the figure.
^ If reduction appears in A range, regard it as d2.
Limit (d1 - d2) 0.11 mm (0.0043 inch)
^ If it exceeds the limit (large difference in dimensions), replace main bearing cap bolt with new one.