Operation CHARM: Car repair manuals for everyone.

Cylinder Block Assembly: Specifications



Crankshaft
Axial play
New 0.07 0.23
Wear limit 0.30 mm
Radial play
New 0.02...0.06 mm
Wear limit 0.10 mm

Crankshaft Main Bearing Caps 30 Nm + 180° (1/2 turn) further
Connecting rod bolt 30 Nm + 90° (1/4 turn) further

Connecting Rod
Axial clearance
New 0.05 .. 0.31 mm
Wear limit 0.40 mm
Radial clearance
New 0.02 0.07 mm
Wear limit 0.10 mm

Vibration damper to crankshaft 100 Nm + 90° (1,2)
1) Replace Bolt
2) 90° equals one quarter turn





Piston and cylinder dimensions





Crankshaft dimensions





Checking Piston Ring Gap





Checking Ring Groove Clearance

Checking piston
^ Measure approximately 6 mm from lower edge, perpendicular to piston pin axis. Use an external micrometer, 75...100 mm, to measure.
^ Max. deviation from nominal dimension: 0.04 mm





Checking cylinder bore
^ Make measurements at three positions diagonally in transverse direction -A- and in longitudinal direction -B-. Use a cylinder gauge, 50...100 mm, to measure.
^ Max. deviation from nominal dimension: 0.08 mm