Connecting Rod Bearing Journal Clearance

1. Remove the connecting rod bearing cap.

NOTE: The crankshaft connecting rod journals must be within specifications to check the connecting rod bearing journal clearance.





2. Position a piece of Plastigage across the bearing surface.

3. Install and tighten to specifications, then remove the connecting rod bearing cap.

NOTE: Do not turn the crankshaft during this step.





4. Measure the Plastigage to get the connecting rod bearing journal clearance. The Plastigage should be smooth and flat. A changing width indicates a tapered or damaged connecting rod or connecting rod bearing.