Crankshaft Main Bearing Journal Clearance

WARNING: This page is about a different car, the 2003 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Special Tool(s)

Fig 1: Identifying Special Tool(s)

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: Positioning Plastigage On Crankshaft Main Bearing Surface
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.
- If out of specification, install new components as necessary.
  
  Fig 3: Measuring Crankshaft Journal Clearance - Plastigage
  Courtesy of FORD MOTOR CO.