GM Service Manual Online
For 1990-2009 cars only

    Object Number: 38544  Size: SH

    Notice: Do not allow the bearings to spin. Turn them slowly by hand. Spinning the bearings may damage the race and the rollers.

  1. Clean all the bearings with appropriate solvent. Air dry all the bearings.
  2. Lubricate the bearings with DEXRON III® transmission lubricant.
  3. Inspect the countershaft front and rear bearings for roughness, unusual wear, or damage.
  4. Inspect the mainshaft bearing journals for wear.

  5. Object Number: 38737  Size: SH
  6. Inspect the mainshaft speed gear bearing for wear.

  7. Object Number: 38539  Size: SH
  8. Inspect the 5th speed drive gear bearing surfaces for wear.

  9. Object Number: 38526  Size: SH
  10. Inspect the main drive gear thrust bearing and the pilot bearing rollers for wear.

  11. Object Number: 38751  Size: SH
  12. Inspect the reverse idler gear bushing and shaft for wear.
  13. Replace parts which show signs of excessive wear.
  14. Do not file surfaces which have been hardened and precision ground.

  15. Replace worn or damaged bearings and sleeves.
  16. Replace mated bearing parts when only one part is damaged.