Crankshaft Main Bearing Journal-to-Bearing Clearance

General Procedure

NOTE: Refer to general specifications in the appropriate Engine article for the appropriate specification.

1.

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

Remove the crankshaft main bearing caps and crankshaft main bearing.

2.

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

GFD33992

Courtesy of FORD MOTOR COMPANY

3.

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

Install and remove the crankshaft main bearing cap.

4.

Verify the crankshaft journal clearance.

GFD33993

Courtesy of FORD MOTOR COMPANY