Crankshaft Main Bearing

Crankshaft Main Bearing Cap Fasteners
Install new fasteners





First pass 5 Nm
Second pass 30 Nm





Third pass 5 Nm





Fourth pass 25 Nm





Fifth pass Tighten 105°





Final pass 25 Nm

Classification of Main Bearings
The crankshaft is marked on the ring gear shank. Read from the rear edge.

Main Bearing Classes









1. Classification cylinder block
2. Classification crankshaft
3. Cylinder block
4. Intermediate section
5. Main bearing
6. Throw-out bearing
7. Thickness

Crankshaft
Max. radial run-out main bearing pin (relative main bearing 1 and 7) 0.08 mm
Main bearing axial clearance 0.08 - 0.27 mm
Big end journals
Diameter standard 50.00 mm
Bearing recess width 26.0 ± 0.1 mm
Max. parallelity (against main bearing center shaft) 0.015 mm
Max. diameter variation 0.01 mm
Main bearing journals
Diameter standard 65.00 mm
Bearing recess width 26.00 ± 0.15 mm