Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY2009MILAN AWD L4-2.3LREPAIR AND DIAGNOSISBODY AND FRAMESEATSSERVICE AND REPAIRLUMBAR ASSEMBLY
2009 Mercury Milan AWD L4-2.3L
Lumbar Assembly
2009 Mercury Milan AWD L4-2.3LSECTION Lumbar Assembly
Lumbar Assembly
Removal and Installation
1. Remove the front seat backrest. For additional information, refer to Seat Backrest - Front, Without Fold Flat Seat Backrest - Front, Without Fold Flat.
2. Remove the 2 head restraint guide sleeves. For additional information, refer to Head Restraint Guide Sleeve Service and Repair.
3. Detach the side air bag bolt cover.
4. NOTE: Note the position of the side air bag module locator hook in the side air bag module bracket (on the seat back frame) for installation.
Remove the bolt and lift up and out to detach the side air bag module from the seat backrest.
- To install, tighten to 10 Nm (89 lb-in).
5. Slide and disengage the side air bag module electrical connector locking clip, and then release the tab and disconnect the side air bag module electrical connector and remove the side air bag module.
6. Detach the 2 pin-type retainers and trim cover flaps from the recliners.
7. 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 2 outer and inner backrest trim cover lower J-clips and partially invert the trim cover to the hook-and-loop strips.
8. 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.
Remove all rows of hog rings from the backrest trim cover and separate the hook-and-loop strips while inverting the trim cover up the backrest.
9. Remove the rear upper hog rings attaching the trim cover to the backrest frame and remove the trim cover.
10. Remove the foam pad from the backrest frame.
- If equipped with climate controlled seats, remove the hog rings from the upper support spring.
- If equipped with heated seats, detach pin-type retainer and backrest heater mat wiring harness from the backrest frame.
11. Release the 2 lumbar spring clips from the backrest frame and remove the lumbar.
- Route out the manual lumbar cable, if equipped.
- Note the routing of the lumbar cable for installation.
- Disconnect the electrical connector from the power lumbar motor, if equipped.
12. WARNING: If the seat side air bag cover has been damaged or separated from its mounting, or if the air bag material has been exposed, install a new seat side air bag module. Never try to repair the seat side air bag module. Failure to follow these instructions may result in the seat side air bag deploying incorrectly, which increases the risk of serious personal injury or death in a crash.
WARNING: Inspect the seat side air bag module and mounting surfaces for any damage or foreign material before installing the seat side air bag module. If any damage is found, install new components. If any foreign material is found, remove it. Failure to follow these instructions may result in the seat side air bag module deploying incorrectly and increase the risk of serious personal injury or death in a crash.
NOTE: A backrest trim cover for a seat with a side air bag module is different than a backrest trim cover for a seat without a side air bag module. Make sure the correct backrest trim cover is being installed.
To install, reverse the removal procedure.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.