GM Service Manual Online
For 1990-2009 cars only

Perform the following steps to hone the cylinder:

  1. Use and follow the instructions provided by the manufacturer of the honing equipment.
  2. Occasionally clean the cylinder bore during the honing operation.
  3. Occasionally measure the cylinder bore for proper sizing of the select fit piston.
  4. Finish honing with a 45 degree to 60 degree cross-hatch pattern once the proper size bore is obtained.
  5. The finish marks should be clean.
  6. The finish marks should not contain any sharp edges.