Connecting Rod, Measuring Radial Clearance

Connecting Rod, Measuring Radial Clearance

Special tools, testers and auxiliary items required

• Plastigage

Test Sequence

- Remove connecting rod bearing caps.

- Clean bearing caps and journals

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

- Install connecting rod bearing cap and tighten to 30 Nm. Do not turn crankshaft.

- Remove connecting rod bearing caps again.

- Compare width of Plastigage with measuring scale:

• Radial clearance new: 0.028 to 0.077 mm.

• Radial clearance wear limit: 0.12 mm.

- Replace bolts for connecting rod bearings.