Main Bearing Cap

Main Bearing Cap

Image Symbols:

Tighten main bearing cap bolts in numerical order as shown in the figure as follows:
Apply new engine oil to threads and seat surfaces of main bearing cap bolts.
Tighten main bearing cap bolts 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° clockwise [Target: 90° (Angle tightening)].

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

After installing main bearing cap 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.