Lumbar Assembly

Lumbar Assembly

Removal and Installation

All seats

1. Remove the front seat. For additional information, refer to Seat - Front Seat - Front.

2. Remove the front seat backrest. For additional information, refer to Seat Backrest - Front Seat Backrest - Front.

3. Remove the plastic rivets attaching the backrest trim cover to the inboard and outboard recliners.

4. NOTICE: Use care when separating the seat back trim cover from the hook-and-loop strip, or the hook-and-loop strip can be torn from the backrest foam pad.

Release the backrest trim cover lower J-clip, hook-and-loop strips and invert the trim cover to the first row of hog rings.

Seats with manual lumbar

5. NOTE: Illustration view from the back of seat.

Release the 2 manual lumbar spring clips from the backrest frame and remove the manual lumbar.

- Route out the lumbar cable from behind the recliner and from between the inboard side of the backrest foam pad and backrest frame.





Seats with power lumbar

6. Remove the first row of hog rings.





7. Release the hook-and-loop strips, invert the trim cover and remove the second row of hog rings.





8. Remove the power lumbar adjust assembly in the following sequence.

1. Disconnect the power lumbar adjust assembly motor electrical connector.

2. Release the 2 power lumbar adjust assembly lower pin-type retainers to the backrest frame.

3. Slide the power lumbar adjust assembly rods out of the backrest frame at the top and remove the power lumbar adjust assembly.

All seats

9. To install, reverse the removal procedure.

10. Install the front seat backrest. For additional information, refer to Seat Backrest - Front Seat Backrest - Front.

11. Install the front seat. If a passenger seat has been serviced, do not prove out the SRS at this time. For additional information, refer to Seat - Front Seat - Front.

Passenger seat

12. Carry out the Occupant Classification Sensor (OCS) System Zero Seat Weight Test and prove out the SRS. For additional information, refer to General Procedures portion of Restraint Systems. Component Tests and General Diagnostics