2002 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Charging Systems: Generator: Reassembly

  1. Install rotor to drive end frame.
    1. Place the rectifier end frame on the pulley.
    2. Install the rotor to the rectifier end frame.
    3. Fig 1: Placing Rectifier End Frame On Pulley
      G01132910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Install rectifier end frame.
    1. Place the generator washer on the rotor.
    2. Using a 29 mm socket wrench and press, slowly press in the rectifier end frame.
      Fig 2: Pressing In Rectifier End Frame
      G01132911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the cord clip and 3 nuts, and temporarily tighten the 3 nuts.
      Fig 3: Locating Cord Clip
      G01132912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Install pulley.
    1. Install the pulley to the rotor shaft by tightening the pulley nut by hand.
    2. Hold SST (A) with a torque wrench, and tighten SST (B) clockwise to the specified torque.
      1. SST 09820-63011
      2. Torque  : 39 N.m (400 kgf.cm, 29 ft.lbf)
    3. Check that SST (A) is secured to the pulley shaft.
      Fig 4: Tightening Pulley Nut By Hand
      G01132913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Mount SST (C) in a vise.
    5. Insert SST (B) into SST (C), and attach the pulley nut to SST (C).
      Fig 5: Mounting SST In Vise
      G01132914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. To torque the pulley nut, turn SST (A) in the direction shown in the illustration.
      1. Torque  : 110.5 N.m (1125 kgf.cm, 82 ft.lbf)
    7. Remove the generator from SST (C).
    8. Turn SST (B), and remove SST (A and B).
      Fig 6: Turning SST In Proper Direction
      G01132915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Install rectifier holder.
    1. Install the 4 rubber insulators on the lead wires.
      NOTE: Be careful of the rubber insulators installation direction.
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.