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: 1369928  Size: SH
  4. Remove the retaining bolts (1, 2) from the exhaust bracket (3).

  5. Object Number: 1369930  Size: SH

    Important: This step must be done to maintain the correct powertrain alignment on reassembly or vehicle vibration and/or handling problems may occur.

  6. Scribe or mark around each of the transmission crossmember support mounting points to the vehicle underbody, to provide alignment reference points for reassembly.

  7. Object Number: 1369932  Size: SH
  8. Remove the 2 transmission mount nuts (2) from the crossmember support.
  9. Remove the transmission crossmember support bolts (1).
  10. Remove the transmission crossmember support (1).
  11. Remove the 2 bolts retaining the transmission mount to the transmission.
  12. Remove the transmission mount (5).

Installation Procedure


    Object Number: 1369932  Size: SH
  1. Install the transmission mount and retaining bolts on the transmission.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the transmission mount bolts.
  4. Tighten
    Tighten the transmission mount bolts to 25 N·m (18 lb ft).

    Important: Ensure that the crossmember support is aligned with the scribe marks on the underbody.

  5. Install the transmission crossmember support (3) to the vehicle.
  6. Install the transmission crossmember support bolts (1).
  7. Tighten
    Tighten the transmission crossmember support bolts (1) to 58 N·m (43 lb ft).

  8. Install the transmission mount nuts (2).
  9. Tighten
    Tighten the transmission mount nuts (2) to 25 N·m (18 lb ft).


    Object Number: 1369928  Size: SH
  10. Install the retaining bolts (1, 2) for the exhaust bracket (3).
  11. Tighten
    Tighten the retaining bolts to 45 N·m (33 lb ft).

  12. Remove the transmission jack.
  13. Lower the vehicle.