Diesel Data: Automotive Repair

Main Bearing Cap





Main Bearing Cap

Install the main bearing cap bolts.

Tightening torque 53.9 - 58.8 N.m (5.5 - 6.0 kgf.m, 39.8 - 43.4 lb-ft)

NOTE:
- The main bearing cap bolts are tightened in 2 progressive steps.
- If any of the bearing cap bolts in broken or deformed, replace it.

(1) Apply a light coat of engine oil on the threads and under the bearing cap bolts.
(2) Install and uniformly tighten the 10 bearing cap bolts(A),in several passes, in the sequence shown.

Tightening torque 53.9 - 58.8 N.m (5.5 - 6.0 kgf.m, 39.8 - 43.4 lb-ft)







(3) Check that the crankshaft turns smoothly.

Main Bearing Size Codes

Crankshaft main bearing mark location






Identification of crankshaft main bearing






Crankshaft main bearing selection table






Main Bearing Clearance, standard & limit