GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 791046  Size: SH
  1. Exhaust all air pressure from the system.
  2. Remove the screws from the transmission shift sheath.
  3. Slide the sheath down the shift lever.
  4. If equipped with the 9 speed transmission, disconnect the following tubes:
  5. • Red tube (1) from the "S" port
    • Black tube (2) from the "P" port

    Object Number: 791047  Size: SH
  6. If equipped with the 10 speed transmission, disconnect the following tubes:
  7. • Blue tube (1) from the "SP" port
    • Black tube (2) from the "P" port
    • Red tube (3) from the "S" port
    • Green tube (4) from the "H" port to "L" port
  8. Perform the following steps in order to remove the air shift control lever:
  9. 6.1. Loosen the lock nut.
    6.2. Unscrew the shift control lever.
  10. Remove the shift lever sheath.

  11. Object Number: 816150  Size: SH
  12. Remove the control lever retainer bolts and retainer.
  13. Remove the boot retainer plate bolts and plate, if equipped.
  14. Remove the transmission boot bolts and boot.
  15. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.

  16. Object Number: 791342  Size: SH
  17. If equipped with the 9 speed transmission, disconnect the following tubes:
  18. • Red tube (1) from the "S" port
    • Black tube (2) from the "P" port

    Object Number: 791343  Size: SH
  19. If equipped with the 10 speed transmission, disconnect the following tubes:
  20. • Green tube (1) from the "H" port to "L" port
    • Black tube (2) from the "P" port
    • Blue tube (3) from the "SP" port
    • Red tube (4) from the "S" port
  21. Remove the air shift harness from the vehicle.

Installation Procedure


    Object Number: 791343  Size: SH
  1. Install the air shift harness to the vehicle.
  2. If equipped with the 10 speed transmission, connect the following tubes:
  3. • Green tube (1) to the "H" port to "L" port
    • Black tube (2) to the "P" port
    • Blue tube (3) to the "SP" port
    • Red tube (4) to the "S" port

    Object Number: 791342  Size: SH
  4. If equipped with the 9 speed transmission, connect the following tubes:
  5. • Red tube (1) to the "S" port
    • Black tube (2) to the "P" port
  6. Lower the vehicle.
  7. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 816150  Size: SH
  8. Install the transmission boot and bolts.
  9. Tighten
    Tighten the transmission boot bolts to 2 N·m (18 lb in).

  10. Install the boot retainer plate and bolts, if equipped.
  11. Tighten
    Tighten the boot retainer plate bolts to 2 N·m (18 lb in).

  12. Install the control lever retainer and bolts.
  13. Tighten
    Tighten the control lever retainer bolts to 2 N·m (18 lb in).


    Object Number: 791047  Size: SH
  14. Install the shift lever sheath.
  15. Perform the following steps in order to install the air shift control lever:
  16. 9.1. Screw the shift control lever on completely, then back off until the lever or selector button points to the driver side of the cab.
    9.2. Tighten the lock nut against the shift control lever.

    Tighten
    Tighten the shift lever lock nut to 25 N·m (18 lb ft).

  17. If equipped with the 10 speed transmission, connect the following tubes:
  18. • Blue tube (1) to the "SP" port
    • Black tube (2) to the "P" port
    • Red tube (3) to the "S" port
    • Green tube (4) to the "H" port to "L" port

    Object Number: 791046  Size: SH
  19. If equipped with the 9 speed transmission, connect the following tubes:
  20. • Red tube (1) to the "S" port
    • Black tube (2) to the "P" port
  21. Slide the sheath up the shift lever.
  22. Install the screws to the transmission shift sheath.
  23. Tighten
    Tighten the control lever sheath screws to 5 N·m (44 lb in).

  24. Pressurize the system.
  25. Operate the shift control valve to check for leaks.