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