GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 TrailBlazer - 2WD 🢒 Body 🢒 Seats 🢒 Power Seat Adjuster Mechanism Replacement

Removal Procedure
  1. Remove the front bucket seat assembly from the vehicle. Refer to Front Seat Replacement - Bucket .
  2. Remove the seat cushion trim panel. Refer to Seat Cushion Outer Trim Panel Replacement .

    3. Object Number: 752833 Size: SH
  3. Remove the seat belt buckle nut.

    4. Object Number: 752865 Size: SH
  4. Disconnect the black electrical connector (6) from the seat back harness.
  5. Disconnect the black electrical connector (3) from the seat belt buckle.
  6. Disconnect the gray lumbar electrical connector (5), if equipped.
  7. Remove the SIR harness (2) from the harness  clips (1, 4), and remove the SIR harness from the seat.

    8. Object Number: 752864 Size: SH
  8. Remove the 4 nuts that secure the seat pan to the power seat adjuster frame.
  9. Remove the seat back. Refer to Front Seat Back Replacement .
  10. If replacing the seat adjuster mechanism, remove the seat position sensor and retain to use on the new adjuster. Refer to Inflatable Restraint Seat Position Sensor Replacement .

Installation Procedure
  1. If installing a new seat adjuster assembly, install the seat position sensor that was removed from the original adjuster, to the new seat adjuster. Refer to Inflatable Restraint Seat Position Sensor Replacement .

    2. Object Number: 752864 Size: SH
  2. Install the seat back. Refer to Front Seat Back Replacement .

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the 4 nuts that secure the seat pan to the power seat adjuster frame.

    4. Tighten
    Tighten the nuts to 25 N·m (18 lb ft).


    Object Number: 752865 Size: SH
  4. Install the SIR harness (2) to the seat clips (1, 4).
  5. Connect the gray lumbar electrical connector (5), if equipped.
  6. Connect the black electrical connector (3) to the seat belt buckle.
  7. Connect the black electrical connector (6) to the seat back harness.

    8. Object Number: 752833 Size: SH
  8. Install the seat belt buckle to the seat with the nut.

    9. Tighten
    Tighten the nut to 55 N·m (41 lb ft).

  9. Install the seat cushion trim panel. Refer to Seat Cushion Outer Trim Panel Replacement .
  10. Install the front bucket seat assembly to the vehicle. Refer to Front Seat Replacement - Bucket .
  11. If the vehicle is equipped with memory seats, calibrate the seat. Refer to Memory Seat Calibration .
  12. For the passenger seat, re-zero the passenger presence system. Refer to Passenger Presence System Programming and Setup .