Diesel Data: Automotive Repair

Crankshaft Main Bearing

Crankshaft bearing
Main bearing-to-journal clearance
No.1, 4 journal
Standard or New 0.014 - 0.032 mm (0.0006 - 0.0013 inch)
Service Limit 0.045 mm (0.0018 inch)
No.2, 3 journal
Standard or New 0.020 - 0.038 mm (0.0008 - 0.0015 inch)
Service Limit 0.050 mm (0.0020 inch)
Rod bearing oil clearance
Standard or New 0.020 - 0.038 mm (0.0008 - 0.0015 inch)
Service Limit 0.050 mm (0.002 inch)

Main Bearing Cap





Tighten the bearing cap bolts in sequence to 25 Nm (2.5 kgf-m, 18 ft. lbs.). Verify that all the bolts are torqued properly.
Tighten the bearing cap bolts an additional 60°.