2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Charging Systems: Charging: Generator: Reassembly

  1. INSTALL GENERATOR ROTOR ASSEMBLY 
    1. Place the drive end frame on the pulley.
    2. Install the rotor to the drive end frame.
      Fig 1: Installing Rotor To Drive End Frame
      G05289502Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL GENERATOR COIL ASSEMBLY 
    1. Place the generator washer on the rotor.
      Fig 2: Placing Generator Washer On Rotor
      G05289503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a 29 mm socket wrench and press, slowly press in the coil.
      Fig 3: Pressing Coil Using Socket Wrench
      G05289504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the coil with the 4 bolts.

      Torque: 5.8 N*m (59 kgf*cm, 51 in.*lbf) 

      Fig 4: Identifying Coil With Bolts
      G05289505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL GENERATOR 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.

      SST 09820-63010 

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

    3. Check that SST (A) is secured to the pulley shaft.
      Fig 5: Installing Generator Pulley
      G05289506Courtesy 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 6: Inserting SST (B) Into SST (C)
      G05289507Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. To tighten the pulley nut, turn SST (A) in the direction shown in the illustration.

      Torque: 111 N*m (1,132 kgf*cm, 82 ft.*lbf) 

    7. Remove the generator from SST (C).
      Fig 7: Removing Generator From SST
      G05289508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Turn SST (B) and remove SST (A and B).
      Fig 8: Turning Generator From SST
      G05289509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL GENERATOR BRUSH HOLDER ASSEMBLY 
    1. Place the front seal plate onto the coil.
      Fig 9: Placing Front Seal Plate Onto Coil
      G05289510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Place the brush holder on the coil.
      NOTE: Be careful of the holder's installation direction.
    3. Install the 2 screws.

      Torque: 1.8 N*m (18 kgf*cm, 16 in.*lbf) 

    4. Place the rear seal plate on the brush holder.
      Fig 10: Identifying Rear Seal Plate On Brush Holder
      G05289511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL GENERATOR REAR END COVER 
    1. Install the terminal insulator.
    2. Install the end cover with the 3 nuts.

      Torque: 4.6 N*m (47 kgf*cm, 41 in.*lbf) 

      Fig 11: Identifying End Cover With Nuts
      G05289512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. CHECK THAT ROTOR ROTATES SMOOTHLY 
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.