Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Main Bearing Cap

Main Bearing Cap
Install 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.
Tightening torque 35.3 Nm (3.6 kg-m, 26 ft-lb)





Turn all main bearing cap bolts 90 degrees clockwise (angle tightening).

CAUTION: Use the angle wrench [SST: KV10112100 (BT8653-A)] to check tightening angle. Never make judgment by visual inspection.

After installing main bearing cap bolts, check that crankshaft can be rotated smoothly by hand.
Check the crankshaft end play.

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 in)
If it exceeds the limit (large difference in dimensions), replace main bearing cap bolt with new one.