Crankshaft Main Bearing: Specifications
Crankshaft Main Bearing Cap Bolts
Always replace bolts
First step 65 Nm
Second step Tighten an additional 90° (1/4) turn
Tighten to 65 Nm to measure the radial play in the crankshaft; do not tighten the additional torque
Upper Crankshaft Bearing Identification
The upper bearing shells are allocated to the cylinder block with the correct thickness, by the factory. Colored dots serve to identify the bearing thicknesses
The letters marked on the lower sealing surface of the cylinder block identify which bearing thickness must be installed in which location
The arrow points in the direction of travel
If the colored dot can no longer be read, use the blue bearing shell
The lower crankshaft bearing shells are always shipped as a replacement part with a "yellow" dot
Crankshaft Axial Play
New 0.07 to 0.23 mm
Wear limit 0.30 mm
Crankshaft Radial Clearance
New 0.017 to 0.037 mm
Wear limit 0.07 mm