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Home >> Chevrolet >> 2009 >> Corvette Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Manual Transmission - TREMEC 6-Speed) >> Repair Instructions - Off Vehicle >> Transmission Case and Adapter Cleaning and Inspection >> Transmission Case

Transmission Case

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    Fig 1: View Of Transmission Case
    GM1538834Courtesy of GENERAL MOTORS CORP.
  1. Clean the transmission case in a suitable solvent. Air dry the transmission case.
  2. Clean all sealant material from retainer bolt threads.
  3. Inspect the transmission case for the following conditions:
    • Cracks
    • Scratches
    • Damaged threads
    • Burrs
    • Nicked mounting surfaces
    • Damaged sealing surfaces
    • Damaged front or rear bearing bores
  4. Inspect the machined mating surfaces for flatness with a straight edge.
  5. Inspect the bearing races and bores for wear, scratches or grooves.
  6. Inspect the bushing for excessive wear.
  7. Use a fine mill file to dress minor scratches or burrs.
  8. If scratches, or grooves or scoring cannot be removed by hand with a soft stone or crocus cloth, replace the component.
  9. Clean up damaged threads with the correct size tap.
  10. Replace a cracked housing.
  11. Replace worn bushings.