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 MANUALSMERCURY2010MOUNTAINEER AWD V6-4.0LREPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION SWITCHSERVICE AND REPAIR
2010 Mercury Mountaineer AWD V6-4.0L
Ignition Switch: Service and Repair
2010 Mercury Mountaineer AWD V6-4.0LSECTION Service and Repair
Ignition Switch
NOTE: Steering wheel removed for clarity.
Removal and Installation
NOTICE: Do not remove the ignition lock cylinder and the ignition switch at the same time or damage to the column may result.
1. Depower the Supplemental Restraint System (SRS). For additional information, refer to Restraint Systems.
2. Remove the 2 screws and the steering column opening cover.
3. Remove the 3 screws and the upper and lower steering column shrouds.
4. Disconnect the ignition switch electrical connector.
5. Push the 2 locking tabs inward and remove the ignition switch.
6. To install, reverse the removal procedure.
7. Repower the SRS. For additional information, refer to Restraint Systems.
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.