2003 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Generators & Regulators: Overhaul: Generator: Assembly

To assemble, reverse disassembly procedure. Use generator Pulley Set Nut Wrench Set (SST 09820-63010) to install generator pulley. Place SST "C" securely into a vise. Install SST "A" and "B" and generator into SST "C". See Figure. Tighten pulley nut in the opposite direction of disassembly. See TORQUE SPECIFICATIONSΒ . Using 29 mm socket, slowly press in coil assembly. To complete assembly, reverse disassembly procedure. After completing assembly, verify rotor turns smoothly.

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:

  • 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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