Diesel Data: Automotive Repair

Crankshaft Main Bearing: Specifications





Main Bearing Cap

Install the main bearing cap bolts.

Install and uniformly tighten the bearing cap bolts, in several passes, in the sequence shown.

Tightening torque
Main bearing cap bolt
49.0N.m (5.0 kgf.m, 36.2lb-ft) + 90° (1 - 8)
19.6N.m (2.0 kgf.m, 14.5lb-ft) + 120° (9 - 16)
29.4 - 31.4N.m (3.0 - 3.2 kgf.m, 21.7 - 23.1lb-ft) (17 - 24)

NOTE:
- Always use new main bearing cap bolts.
- If any of the bearing cap bolts are broken or deformed, replace it.






Use the SST( 09221-4A000 ), install main bearing cap bolts.






Check that the crankshaft turns smoothly.

Crankshaft







Main Bearing Size Codes