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.
2002 Lexus ES 300FACTORY OEM SERVICE PROCEDURE
Generator Specifications
GENERATOR SPECIFICATIONS
| Application | Specification | ||
|---|---|---|---|
| Brush Length | |||
| Standard | 0.413 in. (10.5 mm) | ||
| Limit (Minimum) | .059 in. (1.5 mm) | ||
| Rotor | |||
| Resistance | 2.1-2.5 Ohms Measured @ 68°F (20°C) |
||
| Slip Ring Diameter | |||
| Standard | 0.559-0.567 in. (14.2-14.4 mm) | ||
| Minimum | 0.504 in. (12.8 mm) | ||
| Generator Regulated Output | |||
| Voltage Regulator | |||
| Voltage Regulating | 13.2-14.8 Volts | ||
| Battery | |||
| Voltage | 12.5-12.9 Volts Measured @ 68°F (20°C) |
||
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.