GM Service Manual Online
For 1990-2009 cars only

Transmission Replacement 2.0L DOHC

Tools Required

    • J 28467-B (DW117) Universal Engine Support Fixture
    • DW 260-010 (DW260-010) Auto Transaxle Support Fixture

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1255963  Size: SH
  1. Disconnect the negative battery cable.
  2. Position the select lever in the PARK position.
  3. Remove the battery. Refer to Battery and Battery Tray Replacement in Engine Electrical.
  4. Remove the air filter housing.
  5. Install the J 28467-B  (1) .

  6. Object Number: 1255968  Size: SH
  7. Disconnect the transaxle wiring harness from the transaxle
  8. Disconnect the park/neutral position switch electrical connector.

  9. Object Number: 1255921  Size: SH
  10. Remove the clips from the shift control cable. Disconnect the shift control cable from the transaxle.

  11. Object Number: 1255970  Size: SH
  12. Remove the upper transaxle-to-engine bolts.

  13. Object Number: 1255966  Size: SH
  14. Remove the left transaxle mounting bracket. Refer to Transmission Mount Bracket Replacement .
  15. Notice: Refer to Vehicle Lifting and Jacking Notice in the Preface section.


    Object Number: 1255932  Size: SH
  16. Raise and suitably support the vehicle.
  17. Remove the front engine crossbar. Refer to Engine Front Crossmember Replacement in Front Suspension.
  18. Remove the impact bar. Refer to I-Beam Suspension Replacement in Front Suspension.
  19. Drain the transaxle fluid.
  20. Remove the oil cooler pipes from the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Replacement

  21. Object Number: 1255972  Size: SH
  22. Remove the drive axle. Refer to Front Drive Axle Inner Shaft Replacement in front Drive Axle.
  23. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  24. Remove the flywheel to torque converter bolts.

  25. Object Number: 1255973  Size: SH
  26. Support the transaxle.
  27. Remove the front catalytic converter retaining nuts. Refer to Catalytic Converter Replacement in Engine Exhaust.
  28. Remove the front engine mounting bracket bolts and nuts.

  29. Object Number: 1255934  Size: SH
  30. Remove the rear transaxle mounting bracket bolts.

  31. Object Number: 1255936  Size: SH
  32. Using the DW 260-010  (1) or equivalent to support the transaxle assembly

  33. Object Number: 1255935  Size: SH
  34. Remove the lower engine-to-transaxle bolts.

  35. Object Number: 1255936  Size: SH
  36. Use the DW 260-010  (1) or equivalent to remove the transaxle assembly.

Installation Procedure

    Important: After installing the transmission assembly, the shift adapts must be reset. reset the shift adapts using the scan tool. Go to "Trans Adaptives Reset" under "Special Functions" on the scan tool.


    Object Number: 1255936  Size: SH
  1. Install the transaxle into the vehicle.
  2. Use the DW 260-010  (1) or equivalent to support the transaxle assembly .
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1255937  Size: SH
  4. Install the lower engine-to-transaxle bolts.
  5. Tighten

        • Tighten the lower engine-to-transaxle bolts (1) to 75 N·m (55 lb ft).
        • Tighten the lower engine-to-transaxle bolts (2) to 21 N·m (15 lb ft).
        • Tighten the lower engine-to-transaxle bolts (3) to 31 N·m (23 lb ft).

    Object Number: 1255940  Size: SH
  6. Install the rear transaxle mounting bracket bolts.
  7. Tighten
    Tighten the rear transaxle mounting bracket bolts to 65 N·m (48 lb ft).


    Object Number: 1255941  Size: SH
  8. Install the front engine mounting bracket bolts and nuts.
  9. Tighten

        • Tighten the front engine mounting bracket bolts (1) to 90 N·m (66 lb ft).
        • Tighten the front engine mounting bracket bolts (2) to 80 N·m (59 lb ft).
        • Tighten the front engine mounting bracket bolts (3) to 65 N·m (48 lb ft).
  10. Install the front catalytic converter retaining nuts. Refer to Catalytic Converter Replacement in Engine Exhaust.

  11. Object Number: 1255972  Size: SH
  12. Install the flywheel to torque converter bolts.
  13. Tighten
    Tighten the converter to flywheel bolts to 45 N·m (33 lb ft).

  14. Install the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  15. Install the drive axle. Refer to Front Drive Axle Inner Shaft Replacement in Front Drive Axle.

  16. Object Number: 1255932  Size: SH
  17. Install the oil cooler pipes from the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .
  18. Install the impact bar. Refer to I-Beam Suspension Replacement in Front Suspension.
  19. Install the front engine cross-member. Refer to Engine Front Crossmember Replacement in Front Suspension.
  20. Lower the vehicle.

  21. Object Number: 1255942  Size: SH
  22. Install the left transaxle mounting bracket. Refer to Transmission Mount Bracket Replacement .

  23. Object Number: 1255943  Size: SH
  24. Install the upper transaxle-to-engine bolts.
  25. Tighten
    Tighten the upper transaxle-to-engine bolts to 75 N·m (55 lb ft).


    Object Number: 1255921  Size: SH
  26. Install the clips to the shift control cable. Connect the shift cable.

  27. Object Number: 1255968  Size: SH
  28. Install the park/neutral position switch electrical connector.
  29. Connect the transaxle wiring harness to the transaxle.

  30. Object Number: 1255963  Size: SH
  31. Remove the J 28467-B  (1) .
  32. Install the air filter housing.
  33. Install the battery. Refer to Battery and Battery Tray Replacement in Engine Electrical.
  34. Add the transaxle fluid. Refer to Transmission Fluid Level Inspection .
  35. Connect the negative battery cable.
  36. Important: After installing the transmission assembly, the shift adapts must be reset. reset the shift adapts using the scan tool. Go to "Trans Adaptives Reset" under "Special Functions" on the scan tool.

Transmission Replacement 2.5L DOHC

Tools Required

    • J 28467-B (DW117) Universal Engine Support Fixture
    • DW 260-010 (DW260-010) Auto Transaxle Support Fixture

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1372446  Size: SH
  1. Disconnect the negative battery cable.
  2. Position the select lever in the PARK position.
  3. Remove the battery. Refer to Battery and Battery Tray Replacement in Engine Electrical.
  4. Remove the air filter housing.
  5. Install the J 28467-B  (1) .

  6. Object Number: 1255924  Size: SH
  7. Disconnect the transaxle wiring harness from the transaxle
  8. Disconnect the park/neutral position switch electrical connector.

  9. Object Number: 1255921  Size: SH
  10. Remove the clips from the shift control cable. Disconnect the shift control cable from the transaxle.

  11. Object Number: 1372449  Size: SH
  12. Remove the upper transaxle-to-engine bolts.

  13. Object Number: 1372450  Size: SH
  14. Remove the left transaxle mounting bracket. Refer to Transmission Mount Bracket Replacement .
  15. Notice: Refer to Vehicle Lifting and Jacking Notice in the Preface section.


    Object Number: 1255932  Size: SH
  16. Raise and suitably support the vehicle.
  17. Remove the front engine crossbar. Refer to Engine Front Crossmember Replacement in Front Suspension.
  18. Remove the impact bar. Refer to I-Beam Suspension Replacement in Front Suspension.
  19. Drain the transaxle fluid.
  20. Remove the oil cooler pipes from the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Replacement

  21. Object Number: 1372451  Size: SH
  22. Remove the drive axle. Refer to Front Drive Axle Inner Shaft Replacement in front Drive Axle.
  23. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  24. Remove the flywheel to torque converter bolts.

  25. Object Number: 1372452  Size: SH
  26. Remove the rear transaxle mounting bracket bolts.

  27. Object Number: 1372453  Size: SH
  28. Support the transaxle assembly using DW 260-010  (1).

  29. Object Number: 1372454  Size: SH
  30. Remove the oil pan flange-to-transaxle bolts.

  31. Object Number: 1372455  Size: SH
  32. Remove the left lower engine to transaxle mounting bolts from the rear transaxle mounting bracket side.

  33. Object Number: 1372456  Size: SH
  34. Remove the right lower engine to transaxle mounting bolts.

  35. Object Number: 1372453  Size: SH
  36. Remove the transaxle assembly.

Installation Procedure

    Important: After installing the transmission assembly, the shift adapts must be reset. reset the shift adapts using the scan tool. Go to "Trans Adaptives Reset" under "Special Functions" on the scan tool.


    Object Number: 1372453  Size: SH
  1. Install the transaxle into the vehicle.
  2. Use the DW 260-010  (1) or equivalent to support the transaxle assembly .
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1372456  Size: SH
  4. Install the right lower engine-to-transaxle mounting bolts.
  5. Tighten
    Tighten the right lower engine-to-transaxle mounting bolts to 73 N·m (54 lb ft).


    Object Number: 1372455  Size: SH
  6. Install the left lower engine to transaxle mounting bolts.
  7. Tighten
    Tighten the rear transaxle mounting bracket bolts to 73 N·m (54 lb ft).


    Object Number: 1372454  Size: SH
  8. Install the oil pan flange to transaxle bolts.
  9. Tighten
    Tighten the oil pan flange to transaxle bolts to 31 N·m (23 lb ft).


    Object Number: 1372452  Size: SH
  10. Install the rear transaxle mounting bracket bolts.
  11. Tighten
    Tighten the rear transaxle mounting bracket bolts to 65 N·m (48 lb ft)


    Object Number: 1372451  Size: SH
  12. Install the flywheel to torque converter bolts.
  13. Install the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  14. Install the drive axle. Refer to Front Drive Axle Inner Shaft Replacement in Front Drive Axle.

  15. Object Number: 1255932  Size: SH
  16. Install the oil cooler pipes from the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .
  17. Install the impact bar. Refer to I-Beam Suspension Replacement in Front Suspension.
  18. Install the front engine cross-member. Refer to Engine Front Crossmember Replacement in Front Suspension.
  19. Lower the vehicle.

  20. Object Number: 1372450  Size: SH
  21. Install the transmission mounting bracket. Refer to Transmission Mount Bracket Replacement .

  22. Object Number: 1372449  Size: SH
  23. Install the upper transaxle to engine mounting bolts.
  24. Tighten
    Tighten the upper transaxle to engine mounting bolts to 73 N·m (54 lb ft).


    Object Number: 1255921  Size: SH
  25. Install the clips to the shift control cable and connect the shift cable.

  26. Object Number: 1255924  Size: SH
  27. Install the park/neutral position switch electrical connector.
  28. Connect the transaxle wiring harness to the transaxle.

  29. Object Number: 1372446  Size: SH
  30. Remove the J 28467-B  (1) .
  31. Install the air filter housing.
  32. Install the battery. Refer to Battery and Battery Tray Replacement in Engine Electrical.
  33. Add the transaxle fluid. Refer to Transmission Fluid Level Inspection .
  34. Connect the negative battery cable.
  35. Important: After installing the transmission assembly, the shift adapts must be reset. reset the shift adapts using the scan tool. Go to "Trans Adaptives Reset" under "Special Functions" on the scan tool.