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Pistons and conrods > < Measuring axial clearance of crankshaft
Measuring radial clearance of crankshaft
Measuring radial clearance of crankshaft
Special tools and workshop equipment required
t  Plastigage
»Carry out the following work sequence«
  Note
t  Mark used bearings for re-installation but not on bearing surface.
t  Renew bearing shells worn down to base layer.
–  Remove bearing cap.
–  Clean bearing cap and bearing journal.
–  Place Plastigage corresponding to the width of the bearing on the journal or into the bearing shells.
l  The Plastigage must lie in the middle of the bearing shell.
–  Fit bearing cap and tighten bolts to 65 Nm without turning further angle and without rotating crankshaft.
–  Remove bearing cap again.
–  Compare width of Plastigage with the measurement scale.
Radial clearance:
l  New: 0.03 ... 0.08 mm
l  Wear limit: 0.17 mm.
   

Pistons and conrods > < Measuring axial clearance of crankshaft