Diesel Data: Automotive Repair

Crankshaft Main Bearing: Specifications

Main bearing clearance
Standard 0.022 - 0.034 mm (0.00087 - 0.00133 in.)
Limit 0.050 mm (0.00196 in.)

Standard size crankshaft main bearing thickness





Main bearing cross - reference selection table (standard size)





Undersize of crankshaft main bearing thickness





Main bearing cross - reference table (under size)





Lower crank case





a) Crankcase bolt 50 Nm (5.1 kgf-m, 37.0 lbf-ft)
b) Loosen all bolts in reverse order until loosening torque becomes 0.
c) Retighten 20 Nm (2.0 kgf-m, 15.0 lbf-ft)
d) Retighten 35 Nm (3.6 kgf-m, 26.0 lbf-ft)
e) Retighten 40 degrees
f) Retighten 40 degrees





Crankcase bolt No.2 25 Nm (2.5 kg-m, 18.5 lbf-ft)