Lumbar Bladder Replacement (Second Design)

REMOVAL PROCEDURE
The second design lumbar bladders and bolster bladders are serviced as one lumbar/lateral bladder system. The bladder system is serviced separate from the module assembly. The bladder service part is supplied with connector fittings. The bladder to module hoses are labeled #3, #4, and #5 to aid in assembly.

Lumbar Bladder Replacement: Second Design - Removal Procedure:

1. Raise the seat to the full up position.
2. Remove the seat.
3. Remove the seat cushion cover and pad.

Lumbar Bladder Replacement: Second Design - Removal Procedure:

4. Unhook the J strip attaching the bottom of the seatback insert pillow.
5. Remove the two fir tree fasteners attaching the upper sides of the insert pillow.
6. Unzip the upper insert pillow zipper.
7. Remove the seatback insert pillow.
8. Remove the four lower fir tree fasteners attaching the seatback cover.
9. Peel the trim cover from the bolsters and reposition the trim up over the top of the seatback. (trim will be inside out).
10. Peel the foam pad from the bolsters and reposition to expose the lumbar system.

Lumbar Bladder Replacement: Second Design - Removal Procedure:

11. Remove the lumbar/lateral bladder system from the seatback.

Lumbar Bladder Replacement: Second Design - Removal Procedure:

12. Remove the control module J strips from the seat support wires.
13. Reposition the control module to the top of the seat support wires. (it is not necessary to remove the lumbar pump).
14. Cut the three hoses connecting the control module to the lumbar/lateral bladders 75 mm (3 in) from the control module.

Lumbar Bladder Replacement: Second Design - Removal Procedure:

15. Remove the tie strap attaching the hoses to the seat frame.
16. Remove the lumbar/lateral bladder assembly.

INSTALLATION PROCEDURE

Lumbar Bladder Replacement: Second Design - Installation Procedure:

1. Position the lumbar/lateral support bladders to the seatback inserting the tabs into the seatback.
2. Route the hoses through the pivot area and tie strap them to the seat frame under the seatback adjuster.
3. Connect the seat switch to the harness.
4. Connect power to the seat.

It may be necessary to position the seat in the vehicle.

5. Operate the upper lumbar control and connect the hose that pressurized to the bladder hose labeled #3.
6. Operate the lower lumbar control and connect the hose that pressurized to the Bladder hose labeled #4.
7. Operate the bolster control and connect the hose that pressurized to the bladder hose labeled #5.
8. Using Loctite(TM) 406, or equivalent, glue the module hoses to the fittings on the bladder hoses.
8.1. Position the hoses so they are just over the edge of the barb on the attaching fitting.
8.2. Apply the adhesive completely around the fitting.
8.3. Quickly push the hose the rest of the way onto the fitting.
9. Install the control module to the seat support wires with the J strips.
10. Disconnect the seat electrical connector and remove the seat from the vehicle (if reposition inside the vehicle in step 4.
11. Install the seat cushion cover.

Lumbar Bladder Replacement: Second Design - Installation Procedure:

12. Install the seatback foam pad over the bolsters.
13. Install the seatback cover over the bolsters.
14. Attach the cover and the bladder assembly with the four lower fir tree fasteners.
15. Zip the upper seatback zipper closed.
16. Tuck the cover over the corners of the hinges.
17. Install the insert pillow.

Lumbar Bladder Replacement: Second Design - Installation Procedure:

18. Install the seat.