Generator Disassembly

Engine. Lexus Is250, Is220D. Gse20 Ale20
4Gr-Fse Charging. Lexus Is250, Is220D. Gse20 Ale20

  1. REMOVE CLUTCH PULLEY

  2. REMOVE GENERATOR REAR END COVER

  3. REMOVE TERMINAL INSULATOR

  4. REMOVE GENERATOR BRUSH HOLDER ASSEMBLY

  5. REMOVE GENERATOR COIL ASSEMBLY

  6. REMOVE GENERATOR ROTOR ASSEMBLY

  7. INSPECT GENERATOR DRIVE END FRAME BEARING

  8. REMOVE GENERATOR DRIVE END FRAME BEARING

Generator -- Disassembly



1. REMOVE CLUTCH PULLEY


    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Charging.Charging System.Generator  Disassembly
  1. Using a screwdriver, remove the generator pulley cap.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Charging.Charging System.Generator  Disassembly
  1. Set SST (A) and (B).

    SST
    09820-63020
  1. Clamp SST (A) in a vise.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Charging.Charging System.Generator  Disassembly
  1. Place the rotor shaft end into SST (A).



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Charging.Charging System.Generator  Disassembly
  1. Fit SST (B) to the clutch pulley.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Loosen the pulley by turning SST (B) in the direction shown in the illustration.

  1. Remove the generator assembly from the SST.

  1. Remove the clutch pulley from the rotor shaft.



2. REMOVE GENERATOR REAR END COVER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Place the generator assembly on the clutch pulley.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 3 nuts and end cover.



3. REMOVE TERMINAL INSULATOR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the terminal insulator from the generator coil.



4. REMOVE GENERATOR BRUSH HOLDER ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 screws and brush holder from the generator coil.



5. REMOVE GENERATOR COIL ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 4 bolts.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Charging.Charging System.Generator  Disassembly
  1. Using SST, remove the generator coil assembly.

    SST
    09950-40011(09951-04020,09952-04010,09953-04020,09954-04010,09955-04071,09957-04010,09958-04011)


6. REMOVE GENERATOR ROTOR ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the generator washer.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the rotor assembly from the drive end frame.



7. INSPECT GENERATOR DRIVE END FRAME BEARING


    Lexus Is250, Is220D. Gse20 Ale20
  1. Check that the drive end frame bearing is not rough or worn.
    If necessary, replace the drive end frame bearing.



8. REMOVE GENERATOR DRIVE END FRAME BEARING


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 4 screws and retainer plate from the drive end frame.



    Lexus Is250, Is220D. Gse20 Ale20.4Gr-Fse Charging.Charging System.Generator  Disassembly
  1. Using SST and a hammer, tap out the drive end frame bearing from the drive end frame.

    SST
    09950-60010(09951-00250)
    09950-70010(09951-07100)