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Home >> Lexus >> 2007 >> GS 350 RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Mechanical >> Brake Booster >> Removal

Brake Booster: Removal

  1. DISCONNECT BATTERY NEGATIVE TERMINAL 
  2. REMOVE COOL AIR INTAKE DUCT SEAL (See  FUEL PUMP CONTROL CIRCUIT  ) 
  3. REMOVE ENGINE ROOM SIDE COVER LH (See  REMOVAL  ) 
  4. REMOVE ENGINE ROOM COVER SIDE (See  FUEL PUMP CONTROL CIRCUIT  ) 
  5. REMOVE FRONT PILLAR TO FRONT SIDE SEAL SUB-ASSEMBLY LH (See  REMOVAL  ) 
  6. REMOVE FRONT PILLAR TO FRONT SIDE SEAL SUB-ASSEMBLY RH (See  REMOVAL  ) 
  7. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH (See  REMOVAL  ) 
  8. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH (See  REMOVAL  ) 
  9. REMOVE FRONT FENDER TO COWL SIDE SEAL LH (See  REMOVAL  ) 
  10. REMOVE FRONT FENDER TO COWL SIDE SEAL RH (See  REMOVAL  ) 
  11. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (See  REMOVAL  ) 
  12. DRAIN BRAKE FLUID 
    NOTE: Wash brake fluid off immediately if it adheres to any painted surface.
  13. REMOVE ENGINE ROOM RELAY NO.3 BLOCK (See  BRAKE MASTER CYLINDER (FOR 2GR-FSE)  ) 
  14. REMOVE BRAKE MASTER WITH PLATE CYLINDER SUB-ASSEMBLY (See  BRAKE MASTER CYLINDER (FOR 2GR-FSE)  ) 
  15. REMOVE ABS AND TRACTION ACTUATOR ASSEMBLY (See  DISASSEMBLY  ) 
  16. REMOVE CONSOLE UPPER PANEL GARNISH FRONT (See  REMOVAL  ) 
  17. REMOVE CONSOLE UPPER PANEL SUB-ASSEMBLY (See  REMOVAL  ) 
  18. REMOVE INSTRUMENT PANEL FINISH PANEL END LH (See  REMOVAL  ) 
  19. REMOVE FRONT DOOR SCUFF PLATE LH (See  REMOVAL  ) 
  20. REMOVE FRONT DOOR OPENING TRIM COVER LH (See  REMOVAL  ) 
  21. REMOVE INSTRUMENT SIDE PANEL LH (See  REMOVAL  ) 
  22. REMOVE INSTRUMENT PANEL UNDER COVER NO.1 SUB-ASSEMBLY (See  REMOVAL  ) 
  23. REMOVE INSTRUMENT PANEL SAFETY PAD NO.1 SUB-ASSEMBLY (See  REMOVAL  ) 
  24. REMOVE INSTRUMENT PANEL AIR BAG ASSEMBLY NO.1 LOWER (See  INSTALLATION  ) 
  25. REMOVE BRAKE PEDAL RETURN SPRING 
    1. Remove the brake pedal return spring.
  26. SEPARATE BRAKE MASTER CYLINDER PUSH ROD CLEVIS 
    1. Remove the clip and the push rod pin, then separate the push rod clevis.
  27. REMOVE BRAKE BOOSTER ASSEMBLY 
    1. Remove the clip and disconnect the vacuum hose.
      Fig 1: Locating Vacuum Hose With Clip
      G05297280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 nuts and brake booster assembly.
      NOTE: Do not damage the brake tubes.
  28. REMOVE BRAKE BOOSTER GASKET 
  29. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY 
    1. Remove the check valve assembly and grommet.
  30. REMOVE BRAKE MASTER CYLINDER PUSH ROD CLEVIS 
    1. Loosen the lock nut and remove the push rod clevis.
    Fig 2: Locating Brake Booster Assembly With 4 Nuts
    G05297281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002