Cylinder Block Specifications

Piston and Cylinder Dimensions





Dimensions with coating (thickness 0.01 mm). The coating wears off

Cylinder bore
Maximum deviation from nominal dimension 0.08 mm

Piston
Maximum deviation from nominal dimension 0.04 mm

Piston ring gap





Connecting rod
Radial clearance new 0.028 to 0.077 mm
Radial clearance wear limit 0.12 mm

Main Bearing
Allocation of crankshaft bearing shells for cylinder block








Allocation of crankshaft bearing shells for guide frame





Main Bearing Shells, Allocation for Used and Reworked Crankshafts








Allocation of crankshaft bearing shells for guide frame





Crankshaft





Axial clearance 0.090 to 0.251 mm

Guide frame





Replace bolts 1 to 20
Tighten bolts 1 to 10 30 Nm
Tighten bolts 11 to 20 20 Nm
Tighten bolts 1 to 10 50 Nm
Tighten bolts 11 to 20 30 Nm
Tighten bolts 1 to 10 90° (1/4 turn)
Tighten bolts 11 to 20 90° (1/4 turn)
Tighten bolts for sealing surfaces of cylinder block/guide frame - dark hatching in the illustration 9 Nm in diagonal sequence.

Vibration Damper





45° corresponds to a 1/8 turn
Replace bolts.