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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) >> Connecting Rod 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.
NOTE: The crankshaft connecting rod journals must be within specifications to check the connecting rod bearing journal clearance.
  1. Remove the connecting rod bearing cap.
  2. Position a piece of Plastigage across the bearing surface.
    Fig 1: Locating Bearing Surface
    G07420848Courtesy of FORD MOTOR CO.
  3. NOTE: Do not turn the crankshaft during this step.

    Install and tighten to specifications, then remove the connecting rod bearing cap.

  4. Measure the Plastigage to get the connecting rod bearing journal clearance. The Plastigage should be smooth and flat. A changing width indicates a tapered or damaged connecting rod or connecting rod bearing.
    Fig 2: Measuring Connecting Rod Bearing Journal Clearance Using Plastigage
    G07420849Courtesy of FORD MOTOR CO.
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