Connecting Rod Bearing Journal Clearance
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
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.