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 1429 (ELECTRONIC ENGINE CONTROL)REMOVAL AND INSTALLATIONKNOCK SENSOR (KS)NOTES
2009 Mercury Milan Premier, 3.0 1, AWD
Knock Sensor (KS): Notes
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Notes
WARNING: This page is about a different car, the 2009 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.
Material
| Item | Specification |
|---|---|
| Motorcraft Premium Gold Engine Coolant with Bittering Agent (US only) VC-7-B (US); CVC-7-A (Canada); or equivalent (yellow color) |
WSS-M97B51-A1 |
| Item | Part Number | Description |
|---|---|---|
| 1 | 9N271 | Coolant tube |
| 2 | 8565 | O-ring seal |
| 3 | 14A464 | Knock sensor (KS) electrical connector |
| 4 | W704749 | KS bolts (2 required) |
| 5 | 12A699 | KS |
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.