Front Seat Lumbar Support Replacement AL2

Caution: Refer to SIR Caution in the Preface section.

1. Disable the SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling in SIR.
2. Remove the seat back trim cover. Refer to Front Seat Back Trim Replacement .

Important: Note the location and position of the power lumbar and heated seat wiring for proper installation location.

3. Disconnect the power lumbar assembly electrical connectors (4).
4. Disconnect the heated seat connectors.



5. Remove the upper retainer clips (2) securing the power lumbar assembly (1) to the seat back frame.



6. Remove the lower retainer clips (2) securing the power lumbar assembly (1) to the seat back frame.



7. Remove the power lumbar assembly from the seat back frame.

1. Install the power lumbar assembly (1) to the seat back frame.



2. Install the lower retainer clips (2) securing the power lumbar assembly (1) to the seat back frame.



3. Install the upper retainer clips (2) securing the power lumbar assembly (1) to the seat back frame.



4. Route the power lumbar and heated seat electrical connectors through the seat cushion frame.
5. Connect the electrical connectors (4).
6. Install the seat back trim cover. Refer to Front Seat Back Trim Replacement .
7. Verify the operation of the power lumbar support.
8. Enable SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling in SIR.

Front Seat Lumbar Support Replacement AM3

Caution: Refer to SIR Caution in the Preface section.

1. Disable the SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling in SIR.
2. Remove the seat back trim. Refer to Front Seat Back Trim Replacement .

Important: Note the location and the position of the power lumbar (1) and heated seat wiring for proper installation location.




3. Disconnect the massaging lumbar (1) and the heated seat electrical connectors (1).



4. Remove the lower retaining clips (2) securing the massaging lumbar assembly (1) to the seat back frame.



5. Remove the upper retaining clips (2) securing the massaging lumbar assembly (1) to the seat back frame.



6. Remove the massaging lumbar assembly from the seat back frame.

1. Install the massaging lumbar assembly (1) to the seat back frame.



2. Install the lower retaining clips (2) securing the massaging lumbar (1) to the seat back frame.



3. Install the upper retaining clips (2) securing the massaging lumbar (1) to the seat back frame.
4. Route the massaging lumbar and heated seat electrical connectors (1) through the seat cushion frame.



5. Connect the electrical connectors (1).
6. Install the seat back trim cover. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
7. Ensure the massaging lumbar operates properly.
8. Enable SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling in SIR.

Front Seat Lumbar Support Replacement AC9

Caution: Refer to SIR Caution in the Preface section.

1. Disable the SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling in SIR.
2. Adjust the front seat forward and up.
3. Remove the seat back trim cover. Refer to Front Seat Back Trim Replacement .

Important: The adaptive lumbar module (2) and pump motor (1) are serviced as an assembly.




4. Remove the seat cover J channels from the seat frame, as necessary, in order to access the adaptive lumbar module and pump motor wiring.

Important: Note the routing of the electrical wiring and the air lines for the lumbar in order to ensure proper routing during reassembly.




5. Disconnect the air line connections from the adaptive lumbar module.
6. Disconnect the electrical connectors from the adaptive lumbar module.
7. Disconnect the electrical connector and single air line from the adaptive lumbar pump motor.
8. Remove the hook and loop material that retains the adaptive lumbar module and the adaptive lumbar pump motor to the seat back frame.
9. Remove the adaptive lumbar pump motor from the seat back frame.
10. Remove the adaptive lumbar module from the seat back frame.

1. Install the adaptive lumbar module (2) and the pump motor to the seat back frame.
2. Secure the adaptive lumbar module (2) and the pump motor (1) to the seat back frame with hook and loop material.



3. Reconnect the air line connections to the adaptive lumbar module and the pump motor.
4. Reconnect the electrical connections to the adaptive lumbar module and the pump motor.
5. Install the seat back J channels to the seat back frame.
6. Operate the recliner assembly forward and back in order to ensure that there is not interference with the module wiring and the air line connections.
7. Install the seat back trim cover. Refer to Front Seat Back Trim Replacement .
8. Enable SIR system. Refer to SIR Disabling and Enabling or SIR Disabling and Enabling in SIR.