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Crankshaft Main Bearing Journal-to-Bearing Clearance

NOTE: Refer to the appropriate ENGINE - 3.5L for the specification.
NOTE: Crankshaft main bearing journals must be within specifications before checking journal clearance.
  1. 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.
    Fig 1: Laying Piece Of Plastigage Across Face Of Crankshaft Main Bearing Surface
    G06064062Courtesy of FORD MOTOR CO.
  3. NOTE: Do not turn the crankshaft while carrying out this procedure.
  4. Install and remove the crankshaft main bearing cap.
  5. Verify the crankshaft journal clearance.
    Fig 2: Identifying Crankshaft Main Bearing Cap
    G06064063Courtesy of FORD MOTOR CO.