GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the left transmission mount. Refer to Transmission Mount Replacement - Left Side.

  2. Object Number: 1939118  Size: SH
  3. Detach the selector cable (2) from the selector lever.
  4. Remove the wiring harness plug (1) from the selector lever position switch.
  5. Release the wiring harness plug (arrow) and disconnect.


    Object Number: 1939130  Size: SH
  6. Detach the selector lever (2) from the selector lever shaft.
  7. Remove the nut (1).


    Object Number: 1939148  Size: SH
  8. Remove the 2 bolts (1).

  9. Object Number: 1939171  Size: SH
  10. Remove the nut (1).
  11. Open the retaining plate (2).

  12. Release the transmission range switch from the selector lever shaft and transmission.

Installation Procedure


    Object Number: 1939171  Size: SH
  1. Attach the transmission range switch to the selector lever shaft and transmission.
  2. • Attach the new retaining plate (2).

    Caution: Refer to Fastener Caution in the Preface section.

    • Secure nut with the retaining plate.

    Tighten
    Tighten the nut (1) to 8 N·m (71 lb in).


    Object Number: 1939148  Size: SH

    Note: Do not tighten bolts yet.

  3. Install the 2 bolts (1).

  4. Object Number: 1939130  Size: SH
  5. Attach the selector lever (2) to the selector lever shaft.
  6. Tighten
    Tighten the nut (1) to 16 N·m (12 lb ft).

  7. Adjust the selector lever position switch. Refer to Transmission Range Switch Adjustment.
  8. Tighten the 2 bolts and the transmission range switch on the transmission.
  9. Tighten
    Tighten the 2 bolts to 25 N·m (18 lb ft).


    Object Number: 1939172  Size: SH
  10. Attach the selector cable (2) to the selector lever.
  11. Attach the wiring harness plug (1) to the selector lever position switch.
  12. Attach the wiring harness plug and lock (arrow),

  13. Install the left engine mount. Refer to Transmission Mount Replacement - Left Side.
  14. For programming procedures, refer to Control Module References.