GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the left front tire and wheel. Refer to Tire and Wheel Removal and Installation .
  3. Remove the left splash shield. Refer to Radiator Air Lower Baffle and Deflector Replacement .
  4. Support the powertrain using a suitable transmission stand.

  5. Object Number: 1580048  Size: SH
  6. Remove the left transmission mount (2) lower nuts (1).

  7. Object Number: 1580046  Size: SH
  8. Remove the transmission mount bracket to transmission bolts (1).
  9. Use the transmission stand to raise the transmission enough to remove the transmission mount and bracket (2) from the vehicle.

  10. Object Number: 1587002  Size: SH
  11. Remove the transmission mount bracket to mount bolts (1).
  12. Separate the transmission mount bracket (2) from the transmission mount (3).

Installation Procedure


    Object Number: 1587002  Size: SH
  1. Install the transmission mount bracket (2) to the transmission mount (3).
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the transmission mount bracket to mount bolts (1).
  4. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 1587002  Size: SH
  5. Install the transmission mount and bracket (2) to the vehicle.
  6. Install the transmission mount bracket to transmission bolts (1). Hand tighten only.
  7. Use the transmission stand to lower the transmission mount bracket on to the transmission mount studs.
  8. Remove the transmission stand.
  9. Finish securing the transmission mount bracket to transmission bolts (1).
  10. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 1580048  Size: SH
  11. Install the transmission mount to bracket nuts.
  12. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  13. Install the left splash shield. Refer to Radiator Air Lower Baffle and Deflector Replacement .
  14. Install the left front tire and wheel. Refer to Tire and Wheel Removal and Installation .
  15. Lower the vehicle.