GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Support the transmission with a transmission jack.

  3. Object Number: 1365692  Size: SH
  4. Remove the catalytic converter support bracket (1) retaining bolts (2).
  5. Remove the catalytic converter support bracket (1) retaining nuts (3).
  6. Important: Before removing the transmission support bracket, scribe or mark the location of the support bracket to the frame rails.


    Object Number: 1365694  Size: SH
  7. Remove the nuts (5) that secures the mount to the transmission support.
  8. Remove the bolts (6) that secure the transmission support to the vehicle.
  9. Remove the transmission support from the vehicle.
  10. Remove the bolts (2) and nuts (3) that secure the mount to the transmission.
  11. Remove the mount from the transmission.

Installation Procedure


    Object Number: 1365694  Size: SH
  1. Install the mount to the transmission (1).
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the bolts (2) that secure the mount to the transmission.
  4. Tighten
    Tighten the bolts to 58 N·m (43 lb ft).

  5. Install the nuts (3) that secure the mount to the transmission.
  6. Tighten
    Tighten the nuts to 25 N·m (18 lb ft).

    Important: Align the transmission support bracket marks to the frame rail marks.

  7. Install the transmission support to the vehicle.
  8. Install the bolts that secure the transmission support to the vehicle.
  9. Tighten
    Tighten the bolts to 58 N·m (43 lb ft).

  10. Install the nut that secures the mount to the transmission support.
  11. Tighten
    Tighten the nut to 25 N·m (18 lb ft).


    Object Number: 1365692  Size: SH
  12. Install the catalytic converter support bracket (1) and retaining bolts (2).
  13. Tighten
    Tighten the bolts to 45 N·m (33 lb ft).

  14. Install the catalytic converter support bracket retaining nuts (3).
  15. Tighten
    Tighten the nuts to 45 N·m (33 lb ft).

  16. Remove the transmission jack.
  17. Lower the vehicle.