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 PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1821 (INFORMATION SYSTEM AND ENTERTAINMENT SYSTEM)REMOVAL AND INSTALLATIONAUDIO DIGITAL SIGNAL PROCESSING (DSP) MODULETHX® SOUND
2009 Mercury Milan Premier, 3.0 1, AWD
THX® Sound
2009 Mercury Milan Premier, 3.0 1, AWDSECTION THX® Sound
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Audio Digital Signal Processing Module Replacement Components With Torque Specifications - THX(R) Sound
ITEM DESCRIPTION
| Item | Part Number | Description |
|---|---|---|
| 1 | W505423-S | Audio Digital Signal Processing (DSP) module bolts (3 required) |
| 2 | - | Audio DSP module electrical connectors (part of 14A005) |
| 3 | 18B849 | Audio DSP module |
| 4 | 5445422 | RH luggage compartment trim panel |
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.