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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control / Dynamic Control Systems >> Brake Actuator >> Removal
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Brake Actuator: 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 LH  (See REMOVAL )
  4. REMOVE ENGINE ROOM SIDE COVER RH  (See REMOVAL )
  5. REMOVE FRONT UPPER FENDER PROTECTOR LH  (See REMOVAL )
  6. REMOVE FRONT UPPER FENDER PROTECTOR RH  (See REMOVAL )
  7. REMOVE ROOF DRIP SIDE FINISH MOULDING LH  (See REMOVAL )
  8. REMOVE ROOF DRIP SIDE FINISH MOULDING RH  (See REMOVAL )
  9. REMOVE FRONT WIPER ARM HEAD CAP  (See REMOVAL )
  10. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH  (See REMOVAL )
  11. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH  (See REMOVAL )
  12. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY  (See REMOVAL )
  13. DRAIN BRAKE FLUID 
    NOTE: If brake fluid leaks onto any painted surface, wash or remove it completely.
  14. SEPARATE NO. 3 ENGINE ROOM RELAY BLOCK  (See REMOVAL )
  15. REMOVE FRONT WHEEL 
  16. SEPARATE BRAKE ACTUATOR WITH BRACKET 
    1. Release the lock lever and disconnect the brake actuator connector.
      NOTE: Be careful not to allow brake fluid to enter the removed connector.
      Fig 1: Releasing Lock Lever
      G05752681Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a union nut wrench, disconnect the 6 brake lines from the brake actuator with bracket
      Fig 2: Disconnecting Brake Lines From Brake Actuator With Bracke
      G05752682Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Use tags or make a memo to identify the places to reconnect

      HINT.

      • *1. To front wheel cylinder RH
      • *2. To front wheel cylinder LH
      • *3. To rear wheel cylinder RH
      • *4. To rear wheel cylinder LH
      • *5. From front of master cylinder
      • *6. From rear of master cylinder
        Fig 3: Identifying Brake Lines Tags
        G05752683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using a union nut wrench, disconnect the No. 3 front brake tube from the flexible hose
      Fig 4: Disconnecting No. 3 Front Brake Tube From Flexible Hose
      G05752684Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 2 bolts and nut from the brake actuator with bracket
      NOTE: Do not damage the brake tubes.
  17. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY  (See REMOVAL )
    Fig 5: Locating Bolts And Nut Of Brake Actuator
    G05297144Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE BRAKE ACTUATOR WITH BRACKET 
    1. Remove the grommet and No 3 front brake tube
    2. Remove the brake actuator with bracket.
      NOTE: Do not damage the brake tube.
      Fig 6: Locating Grommet And No 3 Front Brake Tube
      G05752686Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE BRAKE ACTUATOR 
    1. Remove the 2 nuts and brake actuator from the brake actuator bracket assembly.
    2. Remove the brake actuator bolt cushion from the brake actuator bracket assembly
      Fig 7: Identifying Brake Actuator Bolt Cushion And Brake Actuator Bracket Assembly
      G05752687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE BRAKE ACTUATOR BOLT CUSHION 
    1. Remove the 2 brake actuator bolt holders and 2 brake actuator bolt cushions from the brake actuator.
      Fig 8: Identifying Brake Actuator Bolt Holders And Brake Actuator Bolt Cushions
      G05752688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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