GM Service Manual Online
For 1990-2009 cars only

Adjustment Procedure

  1. Disable the SIR. Refer to Disabling the SIR System in SIR.

  2. Object Number: 817977  Size: SH
  3. Using the power seat switch, run the seat adjuster rearward until the drive bracket (3) and the anchor bracket (2) are together on either side of the adjuster.
  4. Remove the drive cable (4) from the side of the adjuster which contains the brackets that touch.
  5. Use the power seat switch to run the adjuster rearward until the other pair of brackets are together.
  6. Install the removed drive cable.
  7. Important: Inspect all 4 cables to verify that the cables are straight.

  8. Test the adjuster for proper operation.
  9. Enable the SIR. Refer to Enabling the SIR System in SIR.