2004 Lexus ES 330FACTORY OEM SERVICE PROCEDURE

Generators & Regulators: Overhaul: Generator: Assembly

To assemble, reverse disassembly procedure. Use generator Pulley Set Nut Wrench Set (SST 09820-63011) to install generator pulley. Place SST "C" securely into a vise. Install SST "A" and "B" and generator into SST "C". See Fig 1. Before installing brush holder, push brushes back into holder and install .039" (1 mm) pin into brush holder hole. See Fig 2. Tighten pulley nut in the opposite direction of disassembly. See TORQUE SPECIFICATIONSΒ . Using 21 mm socket, carefully press in generator coil. To complete assembly, reverse disassembly procedure. After completing assembly, verify rotor turns smoothly. After completing assembly, verify rotor turns smoothly.

Fig 1: Removing Generator Pulley
G93J82155Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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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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