Connecting Rod Bearing Journal-to-Bearing Clearance
WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools
| Illustration | Tool Name | Tool Number |
|---|---|---|
| Plastigage | 303-D031 (D81L-6002-B) or equivalent |
NOTE:
The crankshaft connecting rod journals must be within specifications to check the connecting rod bearing journal clearance.
- Remove the connecting rod bearing cap.
- Position a piece of Plastigage across the bearing surface.
- 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.
- Refer to the appropriate Engine article for the procedure.
- If out of specification, install new components as necessary. Refer to the appropriate Engine article for the procedure.
NOTE:
Do not turn the crankshaft during this step.