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 MANUALSFORD2010FOCUS S, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1511 (CHARGING SYSTEM)SPECIFICATIONSGENERAL SPECIFICATIONS
2010 Ford Focus S, Standard
General Specifications
2010 Ford Focus S, StandardSECTION General Specifications
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Generator - 2.5L | |
| Generator pulley ratio | 2.45:1 |
| Rating | 90 amps @ 700 rpm (min) to 150 amps @ 2,500 rpm (max) |
| Voltage regulator type | Electronic internal with generator |
| Generator - 3.0L | |
| Generator pulley ratio | 2.60:1 |
| Rating | 90 amps @ 700 rpm (min) to 150 amps @ 2,500 rpm (max) |
| Voltage regulator type | Electronic internal with generator |
| Generator - 3.5L | |
| Generator pulley ratio | 2.66:1 |
| Rating | 90 amps @ 700 rpm (min) to 150 amps @ 2,500 rpm (max) |
| Voltage regulator type | Electronic internal with generator |
RENDER: 1.0x
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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.