2002 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Charging Systems: Generator: Disassembly

  1. Remove rear end cover.
    1. Remove the 3 nuts and end cover.
    2. Remove the terminal insulator.
      Fig 1: Removing Rear End Cover
      G01146883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Remove brush holder.
    1. Remove the rear seal plate from the brush holder.
    2. Remove the 2 screws and brush holder.
    3. Remove the front seal plate from the coil assembly.
      Fig 2: Removing Brush Holder
      G01146884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Remove pulley.
    1. Hold SST (A) with a torque wrench, and tighten SST (B) clockwise to the specified torque.

      SST 09820-63011

      Torque  : 39 N.m (400 kgf.cm, 29 ft.lbf)

    2. Check that SST (A) is secured to the rotor shaft.
      Fig 3: Tightening SST To Specific Torque
      G01146885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Mount SST (C) in a vise.
    4. Insert SST (B) into SST (C), and attach the pulley nut to SST (C).
      Fig 4: Mounting SST In Vise
      G01146886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. To loosen the pulley nut, turn SST (A) in the direction shown in the illustration.
      NOTE: To prevent damage to the rotor shaft, do not loosen the pulley nut more than one-half of a turn.
    6. Remove the generator from SST (C).
      Fig 5: Loosening Pulley Nut
      G01146887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Turn SST (B), and remove SST (A and B).
    8. Remove the pulley nut and pulley.
      Fig 6: Removing SST A & B
      G01146888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Remove coil assembly.
    1. Remove the 4 bolts.
      Fig 7: Locating Coil Assembly Bolts
      G01146889Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST, remove the coil assembly.

      SST 09950-40011 (09951-04020, 09952-04010 09953-04020, 09954-04010, 09955-04071, 09958-04011)

    3. Remove the generator washer.
  5. Remove rotor from drive end frame.
    Fig 8: Removing Coil Assembly
    G01146890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.