GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1199229  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Support the transmission with a safety stand.
  3. Remove the brake combination valve to transmission support crossmember mounting bolt.

  4. Object Number: 829088  Size: SH
  5. Remove the fuel filter bracket to transmission support crossmember retaining bolts.

  6. Object Number: 829715  Size: SH
  7. Remove the transmission mount to the transmission support crossmember retaining nut, for RWD vehicles.

  8. Object Number: 829718  Size: SH
  9. Remove the transmission mount to the transmission support crossmember retaining nuts, for 4WD vehicles.

  10. Object Number: 851495  Size: SH
  11. Remove the transmission support crossmember to the frame mounting bolts.
  12. Remove the transmission support crossmember from the vehicle.

Installation Procedure


    Object Number: 851495  Size: SH
  1. Install the transmission support crossmember to the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the transmission support crossmember to the frame mounting bolts.
  4. • Tighten the bolts to 50 N·m (37 lb ft), except Cutaway.
    • Tighten the bolts to 65 N·m (48 lb ft), Cutaway.

    Object Number: 829718  Size: SH
  5. Install the transmission mount to the transmission support crossmember retaining nuts, for 4WD vehicles and tighten to 60 N·m (44 lb ft).

  6. Object Number: 829715  Size: SH
  7. Install the transmission mount to the transmission support crossmember retaining nut, for RWD vehicles and tighten to 60 N·m (44 lb ft).

  8. Object Number: 829088  Size: SH
  9. Install the fuel filter bracket to transmission support crossmember retaining bolts and tighten to 30 N·m (22 lb ft).

  10. Object Number: 1199229  Size: SH
  11. Install the brake combination valve to transmission support crossmember mounting bolt and tighten to 10 N·m (89 lb in).
  12. Remove the safety stands.
  13. Lower the vehicle.