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.
2012 Subaru Outback Base, Standard TransFACTORY OEM SERVICE PROCEDURE
3.6 L Model
| Item | Specification | ||
|---|---|---|---|
| Vehicle model | AT | ||
| Starter | Type | Reduction type | |
| Model | 428000-5250 | ||
| Manufacturer | DENSO | ||
| Voltage and output | 12 V - 1.6 kW | ||
| Direction of rotation | Counterclockwise (when observed from pinion) | ||
| Number of pinion teeth | 9 | ||
| No-load characteristics | Voltage | 11 V | |
| Current | 90 A or less | ||
| Rotating speed | 1, 550 RPM or more | ||
| Load characteristics | Voltage | 8 V | |
| Current | 370 A | ||
| Torque | 12.8 N.m (1.3 kgf-m, 9.4 ft-lb) or more | ||
| Rotating speed | 800 RPM or more | ||
| Lock characteristics | Voltage | 3 V | |
| Current | 750 A or less | ||
| Torque | 19.0 N.m (1.9 kgf-m, 14.0 ft-lb) or more | ||
| Generator | Type | Rotating-field three-phase type, voltage regulator built-in type, with load response control system | |
| Model | A3TJ3591 | ||
| Manufacturer | MITSUBISHI ELECTRIC | ||
| Voltage and output | 12 V - 130 A | ||
| Polarity on ground side | Negative | ||
| Direction of rotation | Clockwise (when observed from pulley side) | ||
| Armature connection | 3-phase type | ||
| Output current | 1, 500 RPM - 55 A or more 2, 500 RPM - 108 A or more 5, 000 RPM - 127 A or more |
||
| Regulated voltage | 14.1 - 14.8 V [20°C (68°F)] | ||
| Outer diameter of rotor slip ring | Standard | 22.7 mm (0.894 in) | |
| Service limit | 22.1 mm (0.870 in) | ||
| Brush length | Standard | 18.5 mm (0.728 in) | |
| Service limit | 5.0 mm (0.197 in) | ||
| Battery | Type and capacity | 12 V - 52 AH (75D 23R) | |
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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