Operation CHARM: Car repair manuals for everyone.

General Specifications




Surface Variation





Check cylinder head at multiple points for distortion, using straight edge and feeler gauges.

Max. permissible distortion 0.05 mm





Resurfacing cylinder head (face grinding) is only permissible to minimum dimension a.

Minimum dimension: a 139.20 mm





Checking Cylinder Bore

Measure diagonally at 3 positions transversely -A- and longitudinally -B-.

Deviation from nominal dimension max. 0.08 mm

Crankshaft Dimensions

(Dimensions in mm)





Axial play

New 0.07 to 0.23 mm

Wear limit 0.30 mm

Radial clearance

New 0.02 to 0.04 mm

Wear limit 0.15 mm

Main Bearing Cap

Torque 65 Nm plus 90 degrees (1/4 turn)

Size Codes





The crankshaft bearing shells in the bearing caps are only available as a replacement part with a "yellow" color marking.

Connecting Rod

Torque 30 Nm + 90 degrees (1/4 turn)

Connecting Rod Bearing

Radial clearance

New 0.02 to 0.06 mm

Wear limit 0.09 mm

Axial play

New 0.10 to 0.35 mm

Wear limit 0.40 mm





Bearing shell -1- with connecting rod oil bore - arrow -.

Bearing shell -2- without connected rod cover oil bore.

Place bearing shells centrally into connecting rod and connecting rod cover.

Dimension -a- must be the same at left and right.

Piston Ring








Vibration Damper/Crankshaft Pulley