GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the battery tray support bracket if equipped with 2.4L (LAT). Refer to Battery Tray Support Bracket Replacement .
  2. Remove the battery box if equipped with 2.4L (LE5). Refer to Battery Box Replacement .
  3. Install the engine support fixture. Refer to Engine Support Fixture .
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  5. Object Number: 1873814  Size: SH
  6. Remove the front transmission mount thru bolt.

  7. Object Number: 1890284  Size: SH
  8. Remove the rear transmission mount thru bolt (1).
  9. Lower the vehicle.

  10. Object Number: 1873804  Size: SH
  11. Remove the transmission mount to transmission mount spacer bolts (1).
  12. Using the engine support, lower the transmission in order to remove the transmission mount spacer bolts.

  13. Object Number: 1873810  Size: SH
  14. Remove the transmission mount spacer bolts and spacer.

  15. Object Number: 1873808  Size: SH
  16. Remove the transmission mount to frame rail bolts.
  17. Remove the left transmission mount.

Installation Procedure


    Object Number: 1873808  Size: SH
  1. Install the left transmission mount.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the transmission mount to frame rail bolts.
  4. Tighten
    Tighten the bolts to 27 N·m (20 lb ft).


    Object Number: 1873810  Size: SH
  5. Install the transmission mount spacer and bolts.
  6. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  7. Using the engine support, raise the transmission until the transmission mount spacer contacts the left transmission mount.

  8. Object Number: 1873804  Size: SH
  9. Install the transmission mount to transmission mount spacer bolts (1).
  10. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  11. Raise the vehicle.

  12. Object Number: 1890284  Size: SH
  13. Install the rear transmission mount thru bolt (1).
  14. Tighten
    Tighten the bolt to 100 N·m (74 lb ft).


    Object Number: 1873814  Size: SH
  15. Install the front transmission mount thru bolt.
  16. Tighten
    Tighten the bolt to 110 N·m (81 lb ft).

  17. Lower the vehicle.
  18. Remove the engine support fixture. Refer to Engine Support Fixture .
  19. Install the battery box if equipped with 2.4L (LE5). Refer to Battery Box Replacement .
  20. Install the battery tray support bracket if equipped with 2.4L (LAT). Refer to Battery Tray Support Bracket Replacement .

Removal Procedure

  1. Remove the battery tray support bracket if equipped with 2.4L (LAT). Refer to Battery Tray Support Bracket Replacement.
  2. Remove the battery box if equipped with 2.4L (LE5). Refer to Battery Box Replacement.
  3. Install the engine support fixture. Refer to Engine Support Fixture.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  5. Object Number: 1873814  Size: SH
  6. Remove the front transmission mount thru bolt.

  7. Object Number: 1890284  Size: SH
  8. Remove the rear transmission mount thru bolt (1).
  9. Lower the vehicle.

  10. Object Number: 1873804  Size: SH
  11. Remove the transmission mount to transmission mount spacer bolts (1).
  12. Using the engine support, lower the transmission in order to remove the transmission mount spacer bolts.

  13. Object Number: 1873810  Size: SH
  14. Remove the transmission mount spacer bolts and spacer.

  15. Object Number: 1873808  Size: SH
  16. Remove the transmission mount to frame rail bolts.
  17. Remove the left transmission mount.

Installation Procedure


    Object Number: 1873808  Size: SH
  1. Install the left transmission mount.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the transmission mount to frame rail bolts and tighten to 27 N·m (20 lb ft).

  4. Object Number: 1873810  Size: SH
  5. Install the transmission mount spacer and bolts and tighten the bolts to 50 N·m (37 lb ft).
  6. Using the engine support, raise the transmission until the transmission mount spacer contacts the left transmission mount.

  7. Object Number: 1873804  Size: SH
  8. Install the transmission mount to transmission mount spacer bolts (1) and tighten to 50 N·m (37 lb ft).
  9. Raise the vehicle.

  10. Object Number: 1890284  Size: SH
  11. Install the rear transmission mount thru bolt (1) and tighten to 100 N·m (74 lb ft).

  12. Object Number: 1873814  Size: SH
  13. Install the front transmission mount thru bolt and tighten to 110 N·m (81 lb ft).
  14. Lower the vehicle.
  15. Remove the engine support fixture. Refer to Engine Support Fixture.
  16. Install the battery box if equipped with 2.4L (LE5). Refer to Battery Box Replacement.
  17. Install the battery tray support bracket if equipped with 2.4L (LAT). Refer to Battery Tray Support Bracket Replacement.