Crankshaft Radial Play, Measuring
Special tools and workshop equipment required
- Plastigage
Procedure
NOTE:
Do not interchange used bearings
Bearing shells that are worn down to the nickel layer must be replaced.
-- Remove the main bearing cap, clean the bearing cap and journal.
-- Place Plastigage over the entire width of the bearing journal or into bearing shells.
- Plastigage must rest in center of bearing shell.
-- Position the main bearing cap and tighten it to 60 Nm. Do not rotate the crankshaft when doing so.
-- Remove the main bearing cap again.
-- Compare width of Plastigage with calibrated scale.
Radial clearance:
- New: 0.017 to 0.037 mm.
- Wear limit: 0.15 mm.