Connecting Rod: Testing and Inspection

Connecting Rod Radial Clearance, Checking

Special tools, testers and auxiliary items required

• Plastigage

Procedure

- Remove the connecting rod bearing cap. Clean the bearing cap and journal.

- Place the Plastigage over the entire width of the bearing journal or in the bearing shell.

- Install the connecting rod bearing cap and tighten the bolts to 30 Nm. Do not rotate the crankshaft.

- Remove the bearing cap again.

- Compare the width of the Plastigage with the measuring scale:

• Radial clearance, new: 0.015 to 0.062 mm

• Radial clearance wear limit: 0.12 mm

- Replace the connecting rod cap bolts.