Operation CHARM: Car repair manuals for everyone.

Cylinder Block Assembly: Specifications



Crankshaft
Axial clearance
New 0.07 to 0.23 mm
Wear limit 0.30 mm
Radial clearance
New 0.01 to 0.04 mm
Wear limit 0.15 mm

Crankshaft dimensions
(dimensions in mm)

Crankshaft dimensions:





Crankshaft main bearing cap bolts 65 Nm plus 90° (1/4 turn)
Always replace

Color markings

Color markings:





Note:
^ If the colored marks have not been stamped or are no longer legible, use the average bearing shell (red).
^ The lower crankshaft bearing shells are always supplied as a spare part with the color marking "yellow".

Connecting Rod Cap Fasteners
Nuts 30 Nm plus 1/4 turn (90°)
Always replace
Bolts 30 Nm plus 1/4 turn (90°)
Replace

Connecting Rod Bearing Shell
Conventional connecting rod
Axial clearance
New 0.10 to 0.31 mm
Wear limit 0.37 mm
Radial clearance
New 0.01 to 0.06 mm
Wear limit 0.12 mm
Industrially cracked connecting rod
Axial clearance
New 0.10...0.35 mm
Wear limit 0.4 mm
Radial clearance
New 0.01...0.05 mm
Wear limit 0.09 mm

Piston ring end gaps





Piston ring to groove clearance





Cylinder Bores
Deviation from nominal dimension max. 0.08 mm

Piston And Cylinder Dimensions

Piston and cylinder dimensions:





1) Dimensions are without graphite coating (thickness 0.02 mm). The graphite coating wears away.

Crankshaft toothed belt sprocket bolt 90 Nm plus 1/4 turn (90°)

Belt pulley/vibration damper bolt 25 Nm