Crankshaft Main Bearing Journal - Clearance

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Special Tool(s)

Fig 1: Identifying Special Tool

Courtesy of FORD MOTOR CO.

NOTE: Crankshaft main bearing journals must be within specifications before checking journal clearance.

Remove the crankshaft main bearing caps and crankshaft main bearing.
Lay a piece of Plastigage across the face of each crankshaft main bearing surface.

Fig 2: Identifying Crankshaft Main Bearing With Plastigage
Courtesy of FORD MOTOR CO.

NOTE: Do not turn the crankshaft while carrying out this procedure.

Install and remove the crankshaft main bearing cap.
Verify the crankshaft journal clearance.
- Refer to the appropriate article in ENGINE for the procedure.
- If out of specification, install new components as necessary. Refer to the appropriate article in ENGINE for the procedure.

Fig 3: Install New Components

Courtesy of FORD MOTOR CO.