Diesel Data: Automotive Repair

Crankshaft Main Bearing

Main bearing cap
Tighten the bearing cap bolts in sequence 25 Nm (2.5 kgf-m, 18 lbf-ft)





Tighten the bearing cap bolts an additional 40°

Crankshaft bearing
Main bearing-to-journal oil clearance
Standard or new 0.018-0.036 mm (0.0007-0.0014 in.)
Service limit 0.050 mm (0.0020 in.)

Main bearing size codes