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 1084 (EXHAUST SYSTEM)REMOVAL AND INSTALLATIONCATALYTIC CONVERTER - 2.3L MANIFOLDNOTES
2009 Mercury Milan Premier, 3.0 1, AWD
Catalytic Converter - 2.3L Manifold: Notes
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Notes
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Part Number | Description |
|---|---|---|
| 1 | W712021 | Catalytic converter bracket bolts (2 required) |
| 2 | W503923 | Heat shield bolts (6 required) |
| 3 | 9N454 | Heat shield |
| 4 | W708176 | Catalytic converter manifold nuts (7 required) |
| 5 | 5G241 | Catalytic converter |
| 6 | 9448 | Catalytic converter manifold gasket |
| 7 | 14A464 | HO2S electrical connector |
| 8 | 14A464 | Catalyst monitor sensor electrical connector |
| 9 | W704474 | Catalytic converter manifold studs (7 required) |
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.