2002 Lexus LX 470FACTORY OEM SERVICE PROCEDURE

Charging Systems: Generator: Disassembly

  1. 100 A: REMOVE GENERATOR COVER (CANADA) AND CORD CLIP 
    1. Canada:

      Remove the bolt, nut, generator cover.

    2. Except Canada:

      Remove the bolt and cord clip.

  2. REMOVE REAR END COVER 
    1. Remove the nut and terminal insulator.
      Fig 1: Removing Nut And Terminal Insulator
      G03322201Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 nuts and rear end cover.
      Fig 2: Removing Nuts And Rear End Cover
      G03322202Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 nuts, bolt, plate terminal and rear end cover.
      Fig 3: Removing Nuts, Bolt, Plate Terminal And Rear End Cover
      G03322203Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE BRUSH HOLDER AND VOLTAGE REGULATOR 
    1. Remove the brush holder cover from the brush holder.
      2. Fig 4: Removing Brush Holder And Voltage Regulator
      G03322204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 5 screws, brush holder and voltage regulator.
    3. Remove the seal plate from the rectifier end frame.
  4. REMOVE RECTIFIER HOLDER 
    1. Remove the 4 screws and rectifier holder.
      Fig 5: Removing Rectifier Holder
      G03322205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 rubber insulators.
  5. REMOVE PULLEY 
    1. Hold SST (A) with a torque wrench, and tighten SST (B) clockwise to the specified torque.
      Fig 6: Removing Pulley
      G03322206Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09820-63011

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

    2. Check that SST (A) is secured to the rotor shaft.
    3. As shown in Fig 7, mount SST (C) in a vise, and install the generator to SST (C).
      4. Fig 7: Installing Generator To SST
      G03322207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. To loosen the pulley nut, turn SST (A) in the direction shown in the illustration.
      CAUTION: To prevent damage to the rotor shaft, do not loosen the pulley nut more than one-half of a turn.
    5. Remove the generator from SST (C).
    6. Turn SST (B), and remove SST (A and B).
    7. Remove the pulley nut and pulley.
  6. REMOVE RECTIFIER END FRAME 
    1. 80 A:

      Remove the 4 nuts and cord clip.

      Fig 8: Locating Nuts And Cord Clip For Removal
      G03322208Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 100 A:

      Remove the 4 nuts.

    3. Using SST, remove the rectifier end frame.
      Fig 9: Using SST To Remove Rectifier End Frame
      G03322209Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      SST 09286-46011

    4. Remove the generator washer.
  7. REMOVE ROTOR FROM DRIVE END FRAME 
Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.