GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the front seat. Refer to Front Seat Replacement - Bucket .

  2. Object Number: 981575  Size: SH
  3. Remove the lumbar cable from the actuator:
  4. 2.1. Adjust the knob until the lumbar basket is in the position of least support.
    2.2. Pull back on the lumbar cable sleeve.
    2.3. Remove the barrel end of the cable from the lumbar actuator.
  5. Remove the lumbar knob by pulling firmly on the knob.

  6. Object Number: 981618  Size: SH
  7. Drill out the rivets from the lumbar actuator, if necessary.
  8. Remove the lumbar actuator screws.
  9. Remove the actuator from the seat.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 981618  Size: SH
  1. Install the lumbar actuator to the seat cushion frame with screws.
  2. Tighten
    Tighten the screws to 2 N·m (18 lb in).


    Object Number: 981575  Size: SH
  3. Install the lumbar knob.
  4. Install the lumbar cable in the actuator:
  5. 3.1. Pull back on the lumbar cable sleeve.
    3.2. Install the barrel end of the cable from the lumbar actuator.
    3.3. Adjust the knob to ensure that the cable is properly installed.
  6. Install the front seat. Refer to Front Seat Replacement - Bucket .