Crankshaft, Radial Play Measuring

Crankshaft, Radial Play Measuring

Special tools, testers and auxiliary items required

• Plastigage

Procedure

• Mark the used bearing for installation later, but not on the running surface.

• Replace bearing shells that are worn down to the base layer.

- Remove the bearing cap.

- Clean the bearing cap and bearing journals.

- Place the Plastigage over the entire width of the bearing journal or into the bearing cap.

• Plastigage must rest in the center of the bearing shell.

- Install the bearing cap and tighten the bolts to 40 Nm without rotating the crankshaft.

- Remove the bearing cap.

- Compare the width of the Plastigage with the calibrated scale.

Radial clearance:

• New: 0.023 to 0.043 mm.

• Wear limit: 0.07 mm.