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 CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIR
2010 Mercury Mountaineer AWD V6-4.0L
Alternator: Service and Repair
2010 Mercury Mountaineer AWD V6-4.0LSECTION Service and Repair
Generator - 4.0L SOHC
Removal and Installation
NOTE: The radial arm adapter is a serviceable item. Do not replace the generator if the radial arm adapter is the only concern.
1. Disconnect the battery. For additional information, refer to Battery.
2. Rotate the Front End Accessory Drive (FEAD) belt tensioner counterclockwise and position the FEAD belt aside.
3. Position the protective cover aside and remove and discard the generator B+ terminal nut.
- To install, tighten to 17 Nm (150 lb-in).
4. Disconnect the generator B+ terminal and the 2 electrical connectors.
5. Remove the 3 bolts and the generator.
- To install, tighten to 47 Nm (35 lb-ft).
6. If necessary, remove the nut and the generator pulley.
- To install, tighten to 109 Nm (80 lb-ft).
7. To install, reverse the removal procedure.
- Install a new generator B+ terminal nut.
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.