2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Charging System: Generator: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  2. REMOVE COOL AIR INTAKE DUCT SEAL  (See REMOVAL )
  3. REMOVE ENGINE ROOM SIDE COVER RH  (See REMOVAL )
  4. REMOVE FRONT WHEELS 
  5. REMOVE ENGINE UNDER COVER 
  6. REMOVE REAR ENGINE UNDER COVER LH 
  7. REMOVE REAR ENGINE UNDER COVER RH 
  8. REMOVE NO. 1 AIR CLEANER INLET  (See REMOVAL )
  9. REMOVE AIR CLEANER CAP SUB-ASSEMBLY  (See REMOVAL )
  10. REMOVE AIR CLEANER CASE SUB-ASSEMBLY  (See REMOVAL )
  11. SEPARATE RADIATOR RESERVE TANK ASSEMBLY  (See REMOVAL )
  12. REMOVE V-RIBBED BELT  (See REMOVAL )
  13. DISCONNECT WIRE HARNESS 
    1. Remove the bolt, and disconnect the clamp and ground cable.
      Fig 1: Locating Ground Cable Clamp And Bolt
      G05753905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE FRONT STABILIZER BAR 
    1. Remove the front stabilizer bar (See REMOVAL ).
  15. REMOVE GENERATOR 
    1. Remove nut A, and disconnect the harness from the +B terminal
      2. Fig 2: Locating Oil Cooler Tube Bolt And Generator Connector
      G05753906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove bolt B, and disconnect the oil cooler tube.
    3. Remove clamp C
    4. Disconnect generator connector D.
    5. Remove the nut and wire harness bracket
      Fig 3: Locating Wire Harness Bracket Nut
      G05753907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the 2 bolts and 2 nuts
      Fig 4: Locating Generator Bolts And Nuts
      G05753908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Using an E8 "TORX" socket wrench, remove the 2 stud bolts and generator
      Fig 5: Locating Generator Stud Bolts
      G05753909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.