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.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Generator Specifications
GENERATOR SPECIFICATIONS (1.8L)
| Application | Specification | |
|---|---|---|
| Generator Model | LR180-769, HITACHI | |
| Nominal Rating | 12 Volts, 80 Amps | |
| Ground Polarity | Negative | |
| Minimum RPM Under No Load (With 13.5 Volts Applied) | 1000 RPM | |
| Hot Output Current (With 13.5 Volts Applied) | ||
| At 1300 RPM | 23 Amps | |
| At 2500 RPM | 66 Amps | |
| At 5000 RPM | 79 Amps | |
| Regulated Output Voltage | 14.1-14.7 Volts | |
| Minimum Brush Length | .236 in. (6.00 mm) | |
| Brush Spring Pressure | 3.60-12.34 ozs. (1.000-3.432 N) | |
| Slip Ring Minimum Outer Diameter | 1.024 in. (26.00 mm) | |
| Rotor (Field Coil) Resistance | 2.67 Ohms | |
GENERATOR SPECIFICATIONS (2.5L)
| Application | Specification | |
|---|---|---|
| Generator Model | LR1100-734, HITACHI | |
| Nominal Rating | 12 Volts, 110 Amps | |
| Ground Polarity | Negative | |
| Minimum RPM Under No Load (With 13.5 Volts Applied) | 950 RPM | |
| Hot Output Current (With 13.5 Volts Applied) | ||
| At 1300 RPM | 35 Amps | |
| At 2500 RPM | 83 Amps | |
| At 5000 RPM | 95 Amps | |
| Regulated Output Voltage | 14.1-14.7 Volts | |
| Minimum Brush Length | .236 in. (6.00 mm) | |
| Brush Spring Pressure | 3.60-12.34 ozs. (1.000-3.432 N) | |
| Slip Ring Minimum Outer Diameter | 1.024 in. (26.00 mm) | |
| Rotor (Field Coil) Resistance | 2.31 Ohms | |
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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