2003 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Generator Specifications

GENERATOR SPECIFICATIONS

Application Specification
Brush Length
Standard 0.374-0.453 in. (9.5-11.5 mm)
Limit (Minimum) 0.059 in. (1.5 mm)
Rotor
Resistance (1) 2.1-2.5 Ohms
Slip Ring Diameter
Standard 0.559-0.567 in. (14.2-14.4 mm)
Minimum 0.504 in. (12.8 mm)
Generator Regulated Output
Amperage
Without Load 10 Or Less Amps
With Load 30 Or More Amps
Voltage (1) 13.2-14.8 Volts
(1) Measured @ 68Β°F (20Β°C).
Factory Service Tools

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Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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