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.
2021 Ford Mustang Mach 1, Automatic TransFACTORY OEM SERVICE PROCEDURE
Generator And Regulator: Specifications
General Specifications
| Item | Specification |
|---|---|
| 2.3L EcoBoost 175A | |
| Generator amps at 80.6 deg.F (27 deg.C) | 90 amps at 700 rpm (min) to 155 amps at 2, 400 rpm (max) |
| Generator pulley ratio | 2.47:1 |
| Generator pulley replaceable | Yes |
| Generator pulley type | Overrunning Alternator Decoupler (OAD) |
| Voltage regulator type | Electronic internal with generator |
| 5.0L Ti-VCT - 175A | |
| Generator amps at 80.6 deg.F (27 deg.C) | 70 amps at 600 rpm (min) to 155 amps at 2, 400 rpm (max) |
| Generator pulley ratio | 2.45:1 |
| Generator pulley replaceable | No |
| Generator pulley type | One-Way Clutch (OWC) |
| Voltage regulator type | Electronic internal with generator |
| 5.2L Ti-VCT - 175A (base) | |
| Generator amps at 80.6 deg.F (27 deg.C) | 80 amps at 650 rpm (min) to 155 amps at 2, 400 rpm (max) |
| Generator pulley ratio | 2.45:1 |
| Generator pulley replaceable | No |
| Generator pulley type | One-Way Clutch (OWC) |
| Voltage regulator type | Electronic internal with generator |
| 5.2L Ti-VCT - 200A (optional) | |
| Generator amps at 80.6 deg.F (27 deg.C) | 100 amps at 650 rpm (min) to 185 amps at 2, 400 rpm (max) |
| Generator pulley ratio | 2.45:1 |
| Generator pulley replaceable | No |
| Generator pulley type | One-Way Clutch (OWC) |
| Voltage regulator type | Electronic internal with generator |
Factory Service Tools
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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.
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