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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 the appropriate section in Group 303 for the procedure.
    • If out of specification, install new components as necessary. Refer to the appropriate ENGINE article for the procedure.
    Fig 1: Measuring Connecting Rod Large End Bore
    G01272139Courtesy of FORD MOTOR CO.