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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System - General Information >> Component Test(S) >> Crankshaft Main Bearing Journal-to-Bearing Clearance >> General Procedure

General Procedure

NOTE: For specifications refer to the appropriate engine mechanical article. For 2.0L GTDI, refer to the GENERAL SPECIFICATIONS , or for 3.5L Ti-VCT, refer to the GENERAL SPECIFICATIONS tables.
  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.
    Fig 1: Identifying Crankshaft Main Bearing Surface
    G08028439Courtesy of FORD MOTOR CO.
  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.
    Fig 2: Measuring Crankshaft Main Bearing Surface Using Plastigage
    G08028440Courtesy of FORD MOTOR CO.
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