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Cylinder Block

  1. Inspect cylinder block deck surface warpage. Replace cylinder block if deck warpage exceeds specification. See CYLINDER BLOCK  table under ENGINE SPECIFICATIONS.
  2. Measure cylinder bore diameter .39" (10 mm) from top and bottom of cylinder bore, and at middle of cylinder bore. Replace cylinder block if cylinder bore diameter is not within specification. See CYLINDER BLOCK  table under ENGINE SPECIFICATIONS.
  3. Install main bearing caps and tighten bolts to specification in sequence. See Figure. Ensure main bearing bore inside diameter is within specification. See CYLINDER BLOCK  table under ENGINE SPECIFICATIONS.
NOTE: Main bearing bore inside diameter is determined by size mark ("0", "1", "2", "3", "4", "5", "6" or "7") stamped on cylinder block. See Figure.
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