Expedition 4WD V8-281 4.6L SOHC (1998)
Connecting Rod: Testing and Inspection
Connecting Rod Bearing Journal Clearance
1. Remove the connecting rod bearing cap.
NOTE: The crankshaft connecting rod journals must be within specification 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 bearing or connecting rod.