GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 23907 Slide Hammer
    • J 39439-2 Bushing Remover

1st/2nd, 3rd/4th Shift Rail Assembly


    Object Number: 1887583  Size: SH
  1. Remove the 1st/2nd shift fork (1) from the shift shaft (2).

  2. Object Number: 1887585  Size: SH
  3. Remove the 3rd/4th shift fork (2) from the shift shaft (1).

  4. Object Number: 1938391  Size: SH
  5. Remove the interlocking plate (2) from the selector pin (1).

  6. Object Number: 1938392  Size: SH
  7. Remove the selector roll pin (3).
  8. Remove the selector pin (2) from the shift shaft (1).

5th/6th, Reverse Shift Rail Assembly


    Object Number: 1938393  Size: SH
  1. Remove the reverse collar roll pin (1).
  2. Remove the reverse collar (2).
  3. Remove the reverse shift lever roll pin (3).

  4. Object Number: 1938394  Size: SH
  5. Remove the reverse shift lever (2) from the shift shaft (1).

  6. Object Number: 1938395  Size: SH
  7. Remove the 5th/6th shift lever (2) from the shift shaft (1).

  8. Object Number: 1938401  Size: SH
  9. Remove the snap ring (2) from the 5th/6th shift lever (1).

  10. Object Number: 1938402  Size: SH

    Important: Do not replace the bushings unless inspection shows bushing damage.

  11. Remove the 5th/6th shift shaft lever bushings (1) and (3) from the 5th/6th shift lever (2) using the J 23907  (5) and the J 39439-2  (4).