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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1020 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Crankshaft and Bearings Cleaning and Inspection >> Crankshaft Bearing Selection Grade Chart Method

Crankshaft Bearing Selection Grade Chart Method

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  1. The cylinder block grade is indicated on the right lower portion of the cylinder block.
    2. Fig 1: View Of Cylinder Block Grade Location
    GM663785Courtesy of GENERAL MOTORS CORP.
  2. The crankshaft journal grade is indicated on the number 1 crankshaft counterweight.
    3. Fig 2: View Of Crankshaft Journal Grade
    GM663786Courtesy of GENERAL MOTORS CORP.
  3. Match the cylinder block grade and the crankshaft journal grade, refer to Crankshaft Bearings Selection Specifications .
  4. From the Crankshaft Bearing Grade chart, determine which bearing grade (color code) is required.
  5. Verify the crankshaft bearing clearance using the plastic gage method.
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