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 MANUALSMERCURY2010MARINER PREMIER, 2.5 7, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE IGNITION SYSTEM - 2.5LREMOVAL AND INSTALLATIONENGINE IGNITION COMPONENTS - EXPLODED VIEW
2010 Mercury Mariner Premier, 2.5 7, FWD
Engine Ignition Components - Exploded View
2010 Mercury Mariner Premier, 2.5 7, FWDSECTION Engine Ignition Components - Exploded View
ITEM DESCRIPTION CHART
| Item | Part Number | Description |
|---|---|---|
| 1 | 14A464 | Ignition coil electrical connector (4 required) |
| 2 | W500215 | Ignition coil bolt (4 required) |
| 3 | 12A366 | Ignition coil (4 required) |
| 4 | 12A402 | Coil boot (4 required) |
| 5 | 12405 | Spark plug (4 required) |
- For additional information, refer to the procedures in this service information.
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.