volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Assembly overview - 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
Procedure
  Note
t  Do not interchange used bearings.
t  Bearing shells worn down to nickel layer must be renewed.
–  Remove main bearing caps and clean bearing caps and journals.
–  Place Plastigage onto bearing journal or into bearing shells according to width of bearing.
l  The Plastigage must rest in the middle of the bearing shell.
–  Fit main bearing caps and tighten to 60 Nm without rotating crankshaft.
–  Remove main bearing caps once more.
–  Compare width of Plastigage with measurement scale:
Radial clearance:
l  New: 0.017 … 0.037 mm.
l  Wear limit: 0.15 mm
   

Assembly overview - pistons and conrods > < Measuring axial clearance of crankshaft