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 2WD V8-4.6LREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIR
2010 Mercury Mountaineer 2WD V8-4.6L
Alternator: Service and Repair
2010 Mercury Mountaineer 2WD V8-4.6LSECTION Service and Repair
Generator - 4.6L (2V)
Removal and Installation
1. Disconnect the battery. For additional information, refer to Battery.
2. Remove the Throttle Body (TB).
3. Rotate the Front End Accessory Drive (FEAD) belt tensioner clockwise and position the FEAD aside.
4. Remove the 3 harness locators from the generator bracket.
5. Remove the 4 bolts and the generator bracket.
- To install, tighten to 10 Nm (89 lb-in).
6. Loosen the 2 bolts and position the generator aside.
- To install, tighten to 25 Nm (18 lb-ft).
7. Disconnect the generator electrical connector.
8. Position the protective cover aside, remove and discard the nut and position the generator B+ terminal aside.
- To install, tighten to 17 Nm (150 lb-in).
9. Remove the generator.
10. If necessary, remove the nut and the generator pulley.
- To install, tighten to 109 Nm (80 lb-ft).
11. 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.