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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1307 (HVAC CLIMATE CONTROL SYSTEM)REMOVAL AND INSTALLATIONAIR CONDITIONING (A/C) COMPRESSOR - 4.6L, 5.4LNOTES
2009 Mercury Milan Premier, 3.0 1, AWD
Air Conditioning (A/C) Compressor - 4.6L, 5.4L: Notes
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Notes
WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
Material
| Item | Specification |
|---|---|
| PAG Refrigerant Compressor Oil (R-134a Systems) YN-12-D |
WSH-M1C231-B |
| Item | Part Number | Description |
|---|---|---|
| 1 | N805334 | Compressor fitting nut (2 required) |
| 2 | - | Wire harness retainer (2 required) (part of 12B637) |
| 3 | - | Field coil electrical connector (part of 12B637) |
| 4 | W705811 | A/C compressor stud (3 required) |
| 5 | W505255 | Power steering pressure hose bracket bolt |
| 6 | - | Crankshaft position sensor electrical connector (part of 12B637) |
| 7 | 19703 | A/C compressor |
| 8 | 19B596 | O-ring seal and gasket seal kit |
| 9 | 19B596 | O-ring seal and gasket seal kit |
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.