Connecting Rod Bearing Journal Clearance
For information on Ford Color Coded Illustrations, refer to OEM COLOR CODING
Check
NOTE:
Refer to the appropriate engine article for the specification.
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NOTE: The crankshaft connecting rod journals must be within specifications to check the connecting rod bearing journal clearance.
Remove the connecting rod bearing cap and connecting rod bearing.
- Position a piece of Plastigage across the bearing surface.
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NOTE: Do not turn the crankshaft during this step.
Install and tighten to specifications, then remove the connecting rod bearing cap.
- 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.