Operation CHARM: Car repair manuals for everyone.
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System Specifications




Piston and cylinder dimensions





Crankshaft bearing shell identification for cylinder block (gradual introduction)





Color code





Crankshaft Bearing cap
Tightening torque 65 Nm plus 1/4 turn (90°)

Crankshaft dimensions (dimensions in mm)





Connecting Rod
Tightening torque 30 Nm plus 1/4 turn (90°)

Bearing shell
Axial clearance:
New 0.100.31 mm
Wear limit 0.40 mm
Check radial clearance with Plastigage:
New 0.010.05 mm
Wear limit 0.12 mm

Piston with conventional connecting rod

Piston
Deviation from nominal dimension max. 0.04 mm

Piston ring





Cylinder bores
Deviation from nominal dimension: max. 0.10 mm.

Piston with industrially fractured connecting rod

Piston
Deviation from nominal dimension max. 0.04 mm

Piston ring








Cylinder bores
Deviation from nominal dimension max. 0.10 mm.

Belt pulley/vibration damper
Tightening torque 25 Nm