Connecting Rod - Large End Bore

1. Tighten the bolts to specification, then measure the bore in two directions. The difference is the connecting rod bore out-of-round. Verify the out-of-round is within specification.

• Refer to ENGINE - 3.9L & 4.2L for the procedure.
• If out of specification, install new components as necessary. Refer to ENGINE - 3.9L & 4.2L for the procedure .

Fig 1: Measuring Connecting Rod - Large End Bore

Courtesy of FORD MOTOR CO.