GM Service Manual Online
For 1990-2009 cars only

Floor Panel Carpet Replacement Coupe

Removal Procedure

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

  1. Disconnect the battery.
  2. Wait 1 minute for the air bag to deactivate.
  3. Position the seats to the forward-most position.

  4. Object Number: 1941313  Size: LH
  5. Remove the drivers side front seat.
  6. Remove the 2 bolts (1).

  7. Remove the passenger side front seat.
  8. Remove the 2 bolts (1).

  9. Remove the driver side front seat.
  10. 6.1. Remove from the front guide.
    6.2. Release and disconnect the compact connector.
  11. Remove the passenger side front seat.
  12. 7.1. Remove from the front guide.
    7.2. Release and disconnect the compact connector.

    Object Number: 1937611  Size: LH
  13. Remove the instrument panel (I/P) insulator panel left and right.
  14. • Remove the 2 screws on drivers side and remove the I/P from the bracket.
    • Remove the 2 screws on the passengers side and remove the I/P from the bracket.
  15. Remove the front floor console. Refer to Front Floor Console Replacement.

  16. Object Number: 1942388  Size: SH
  17. Remove the bench seat.
  18. 10.1. Release the front 2 brackets (1).
    10.2. Support the 2 bench seats from the rear bracket.
    10.3. Push the seat simultaneously backwards and upward.

    Object Number: 1941337  Size: LH
  19. Remove the rear seat backrest.
  20. 11.1. Remove the 3 bolts at the front.
    11.2. Remove the 3 belt buckles.
    11.3. Fold down the rear seat backrest.
    11.4. Remove the 3 bolts at the back.

    Object Number: 1941340  Size: SH
  21. Remove the rear seat backrest from the side guide.

  22. Object Number: 1942356  Size: SH
  23. Remove both door sill plates.
  24. Release the 5 clips (1).


    Object Number: 1942325  Size: LH
  25. Remove both sides of the upper center pillar molding.
  26. 14.1. Pull out the plastic rivet (1) from the center pillar.
    14.2. Remove with a plastic wedge.
    14.3. Remove the seat belt bolts (3) from center pillar.
    14.4. Release the cap (2).
    14.5. Remove the upper center pillar panel upwards.

    Object Number: 1943210  Size: LF
  27. Remove both sides of the rear quarter trim panel.
  28. 15.1. Remove the lower belt fastening (3).
    15.2. Remove the lower belt shackle (4).
    15.3. Remove the seat belt with the striker.
    15.4. Remove the seat belt striker guide bushing (5) from the rear quarter trim panel front.
    15.5. Remove the rear quarter trim panel cover cap (2).
    15.6. Remove the bolt.
    15.7. Remove the bolt (6) from rear seat backrest.
    15.8. Remove the bolt (1) from upper center pillar.
    15.9. Remove the front rear quarter trim panel.
    15.10. Release the 8 clips (7).

    Object Number: 1937614  Size: LH
  29. Remove the air bag control unit.
  30. 16.1. Remove the 3 nuts (1) and remove the control unit.
    16.2. Release the 2 wiring harness plugs and disconnect.

    Object Number: 1944583  Size: SH
  31. Remove the yaw sensor (1).
  32. 17.1. Remove the 2 nuts (arrows).
    17.2. Disconnect the wiring harness plug (2).

    Object Number: 1944575  Size: SH
  33. Remove the bracket from diagnostics plug (1).
  34. 18.1. Release the clip.
    18.2. Remove the 3 nuts (2).
    18.3. Remove the bracket.

    Object Number: 1944576  Size: LF
  35. Loosen the cable duct (1).
  36. 19.1. Remove the ground strap.
    19.2. Remove the nut (3).
    19.3. Disconnect the 2 wiring harness plugs (2).
  37. Remove the heating duct.

  38. Object Number: 1937612  Size: LF
  39. Remove the I/P padding bracket - both sides.
  40. Remove the 6 bolts.


    Object Number: 1944582  Size: LF
  41. Remove the carpet.
  42. 22.1. Open the quick release fastener (1).
    22.2. Disconnect the wiring harness clip (2).
  43. Remove the carpet beginning from the rear.

Installation Procedure

  1. Install the carpet beginning at the front.
  2. Insert the carpet.
  3. 2.1. Close the quick release fastener.
    2.2. Connect the wiring harness clip.

    Caution: Refer to Fastener Caution in the Preface section.

  4. Install the I/P padding bracket, both sides, and tighten the 6 bolts to 13 N·m (113 lb in).
  5. Install the heating duct.
  6. Fasten the cable duct.
  7. 5.1. Connect the 2 wiring harness plugs.
    5.2. Install the ground strap and tighten the nut to 5 N·m (44 lb in).
  8. Install the diagnostics plug bracket.
  9. 6.1. Install the bracket and tighten the 3 nuts to 10 N·m (89 lb in).
    6.2. Clip in the clip.
  10. Install the yaw sensor and tighten the 2 nuts to 6 N·m (53 lb in).
  11. Connect the wiring harness plug.
  12. Install the air bag control unit.
  13. Connect and lock the 2 wiring harness plugs and tighten the 3 nuts to 10 N·m (89 lb in).

  14. Install the left and right I/P insulator panels.
  15. • Insert the I/P insulator panels bracket and 2 screws on the drivers side.
    • Insert the I/P insulator panels bracket and 2 screws on the passengers side.
  16. Install both sides of the rear quarter panel.
  17. Clip in the 8 rear quarter panel clips.
  18. • Tighten the bolt on upper center pillar to 2.5 N·m (22 lb in).
    • Tighten the bolt to rear seat backrest to 40 N·m (30 lb ft).
    • Tighten the lower center pillar bolt to 35 N·m (26 lb ft).
  19. Install the rear quarter panel cover cap front.
  20. Install the belt striker guide bushing to rear quarter panel front.
  21. Install the seat belt with striker.
  22. Install the lower belt striker and tighten the lower belt fastening bolt to 35 N·m (26 lb ft).
  23. Install both sides of the upper center pillar panelling.
  24. 17.1. Guide the center pillar panelling from above in inner panelling guide front of rear quarter panel.
    17.2. Clip in the upper center pillar panelling.
    17.3. Press in the expanding bolt and tighten the seat belt bolt to center pillar to 35 N·m (26 lb ft).
    17.4. Clip in the cover cap.
  25. Install both door trim plates.
  26. Insert the rear seat backrest into side guide.
  27. Note: Use the screw locking compound.

  28. Install the rear seat backrest and tighten the 3 rear bolts to 20 N·m (15 lb ft).
  29. Fold the down rear seat backrest and tighten the front 3 bolts to seat belt buckle to 20 N·m (15 lb ft).
  30. Install the bench seat.
  31. 22.1. Install the 2 seats in the rear bracket.
    22.2. Push the seat simultaneously backwards and down.
    22.3. Bolt the front 2 brackets.
  32. Install the front floor console. Refer to Front Floor Console Replacement.
  33. Insert the driver side front seat.
  34. 24.1. Connect and latch the compact connector.
    24.2. Insert the seat in the front guide.

    Note: Use screw locking compound.

  35. Fasten the driver side front seat and tighten the 2 bolts 35 N·m (26 lb ft).
  36. Note: Use screw locking compound.

  37. Insert the passenger side front seat.
  38. 26.1. Connect and latch the compact connector.
    26.2. Insert the seat in the front guide and tighten the 2 bolt 35 N·m (26 lb ft).
  39. Connect the battery.
  40. For programming procedures, refer to Control Module References.

Floor Panel Carpet Replacement Sedan

Removal Procedure

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

  1. Disconnect the battery.
  2. Wait 1 minute for the air bag to deactivate.
  3. Position the seats to the forward-most position.

  4. Object Number: 1941206  Size: LH
  5. Remove the driver side seat belt trim panel.
  6. Remove the trim panel upwards (1).

  7. Remove the passenger side belt trim panel.
  8. Remove the trim panel upwards (1).

  9. Remove the driver side front seat belt.
  10. Remove the bolt (2).

  11. Remove the passengers side front seat belt.
  12. Remove the bolt (2).


    Object Number: 1941313  Size: LH
  13. Remove the driver side front seat.
  14. 8.1. Remove the 2 bolts (1).
    8.2. Remove from the front guide.
    8.3. Release and disconnect the compact connector.
  15. Remove the passenger side front seat.
  16. 9.1. Remove the 2 bolts (1).
    9.2. Remove from the front guide.
    9.3. Release and disconnect the compact connector.

    Object Number: 1937611  Size: LH
  17. Remove the left and right instrument panel (I/P) insulator panel.
  18. • Remove the 2 screws on the driver side and remove the I/P insulator panel from the bracket.
    • Remove the 2 screws on the passenger side and remove the I/P insulator panel from the bracket.
  19. Remove the front floor console. Refer to Front Floor Console Replacement.

  20. Object Number: 1941208  Size: SH
  21. Remove the sill door plate - both sides.
  22. 12.1. Loosen the 5 clips.
    12.2. Remove the door plate sill upwards.

    Object Number: 1937612  Size: LF
  23. Remove the I/P padding fastening retainers, both sides.
  24. Remove the 6 bolts.


    Object Number: 1941335  Size: SH
  25. Remove the rear seat.
  26. 14.1. Disconnect at the loop (1) and support in rear area (arrow).
    14.2. Remove the rear seat upwards.

    Object Number: 1937614  Size: LH
  27. Remove the air bag control unit.
  28. Remove the 3 nuts (1) and remove the control unit.

  29. Loosen the air bag wiring harness.
  30. 16.1. Release the 2 wiring harness plugs and disconnect.
    16.2. Loosen the cable harness clamp.
    16.3. Disconnect the hand brake wiring harness plug.
    16.4. Remove the ground cable and place to one side.
    16.5. Disconnect the cable duct.
    16.6. Remove the diagnostics plug.
  31. Remove the diagnostics plug bracket.
  32. 17.1. Release the clip.
    17.2. Remove the 3 nuts.
    17.3. Remove the bracket.

    Object Number: 1948680  Size: LH

    Note: Mark the installation position.

  33. Loosen the shifter rod in the engine compartment.
  34. Loosen the bolt (1).

  35. Remove the cage.
  36. Remove the 4 screws and remove the cage with the shifter rod.


    Object Number: 1937615  Size: SH
  37. Remove the carpet beginning from the rear.

Installation Procedure

  1. Install the carpet beginning at the front.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the cage.
  4. 2.1. Insert the shifter rod.
    2.2. Place the cage and tighten the 4 screws.

    Note: Observe the installation position.

  5. Fasten the shifter rod in the engine compartment and tighten the bolt to 12 N·m (106 lb in) plus 180-225 degrees.
  6. Install the diagnostics plug bracket.
  7. 4.1. Install the bracket and tighten the 3 nuts to 10 N·m (89 lb in).
    4.2. Install the clip.
  8. Fasten the air bag wiring harness.
  9. 5.1. Fasten the cable harness clamp.
    5.2. Connect the wiring harness plug and tighten the nut to 5 N·m (44 lb in).
    5.3. Install the ground cables.
    5.4. Install the cable duct.
    5.5. Install the diagnostics plug.
  10. Install the air bag control unit.
  11. Connect the 2 wiring harness plugs and tighten the 3 nuts to 10 N·m (89 lb in).

  12. Install the I/P padding fastening retainers, both sides, and tighten the 6 bolts to 13 N·m (113 lb in).
  13. Install the I/P insulator panel, left and right.
  14. • Insert the I/P insulator panel in the bracket and screw in 2 screws on the passengers side.
    • Insert the I/P insulator panel in the bracket and screw in 2 screws on the drivers side.
  15. Install the front floor console. Refer to Front Floor Console Replacement.
  16. Install the door plate sill, both sides.
  17. Install the 5 clips.

  18. Insert the driver side front seat.
  19. 11.1. Connect and latch the compact connector.
    11.2. Insert the seat in the front guide.

    Note: Use the screw locking compound.

  20. Fasten the driver side front seat and tighten the 2 bolts to 35 N·m (26 lb ft).
  21. Note: Use the screw locking compound.

  22. Install the driver side seat belt and tighten the bolt to 20 N·m (15 lb ft).
  23. Insert the driver side front seat panel.
  24. Place the front seat in original position.

  25. Insert the passenger side front seat.
  26. 15.1. Connect and latch the compact connector.
    15.2. Insert the seat in the front guide.

    Note: Use the screw locking compound.

  27. Fasten the passenger side front seat and tighten the 2 bolts to 35 N·m (26 lb ft).
  28. Note: Use the screw locking compound.

  29. Install the passenger side seat belt and tighten the bolt to 20 N·m (15 lb ft).
  30. Insert the passenger side front seat panel.
  31. Reposition the front seat to the original position.

  32. Install the rear bench seat.
  33. Insert the rear seat cushion and position.

  34. Connect the battery.
  35. For programming procedures, refer to Control Module References.