2001 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Charging Systems: Charging: Generator: Replacement

  1. REPLACE FRONT BEARING.Β 
    1. Remove the 4 screws, bearing retainer and bearing.
    2. Using SST (SST 09950-60010/09951-00260, 09952-06010) and a press, press out the bearing.
      Fig 1: Removing Front Bearing
      G03149881Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using SST (SST 09950-60010/09951-00520) and a press, press in a new bearing.
    4. Install the bearing retainer with the 4 screws.
      1. Torque:Β  3.0 N.m (31 kgf.cm 27 in.lbf)
      Fig 2: Installing NEW Front Bearing
      G03149882Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
  2. REPLACE REAR BEARING.Β 
    1. Using SST (SST 09820-00021), remove the bearing cover (outside) and bearing.
      NOTE: Be careful not to damage the fan.
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:

  • 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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