Hydraulic Brake Booster (For Rhd) Disassembly


  1. REMOVE NO. 1 BRAKE ACTUATOR BRACKET

  2. REMOVE BRAKE MASTER CYLINDER RESERVOIR SUB-ASSEMBLY

  3. REMOVE MASTER CYLINDER RESERVOIR GROMMET

  4. REMOVE NO. 1 BRAKE ACTUATOR HOSE

  5. REMOVE NO. 1 BRAKE ACTUATOR TUBE

  6. REMOVE BRAKE BOOSTER WITH ACCUMULATOR PUMP ASSEMBLY

  7. REMOVE NO. 1 BRAKE BOOSTER PUMP BRACKET

  8. REMOVE NO. 3 BRAKE ACTUATOR BRACKET

  9. REMOVE BRAKE BOOSTER ACCUMULATOR PIPE

  10. REMOVE MASTER CYLINDER SOLENOID

  11. REMOVE MASTER CYLINDER PUSH ROD CLEVIS

  12. REMOVE MASTER CYLINDER BOOT

  13. REMOVE BRAKE BOOSTER PISTON SUB-ASSEMBLY

Hydraulic Brake Booster (For Rhd) -- Disassembly



1. REMOVE NO. 1 BRAKE ACTUATOR BRACKET


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Using a 5 mm hexagon wrench, remove the bolt and No. 1 brake actuator bracket.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Using a screwdriver, disconnect the brake fluid level warning switch connector from the No. 1 brake actuator bracket.



2. REMOVE BRAKE MASTER CYLINDER RESERVOIR SUB-ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Using a pin punch and hammer, remove the pin from the brake master cylinder reservoir.

    Text in Illustration
    *1
    Pin Punch


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the screw and pull out the brake master cylinder reservoir sub-assembly.

  1. Remove the master cylinder reservoir filler cap.



3. REMOVE MASTER CYLINDER RESERVOIR GROMMET


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Remove the 3 reservoir grommets from the master cylinder reservoir.



4. REMOVE NO. 1 BRAKE ACTUATOR HOSE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Using needle nose pliers, slide the 2 clips and remove the brake actuator hose and 2 clips.



5. REMOVE NO. 1 BRAKE ACTUATOR TUBE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Using a union nut wrench, remove the No. 1 brake actuator tube.



6. REMOVE BRAKE BOOSTER WITH ACCUMULATOR PUMP ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Using a screwdriver, remove the 2 plugs.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Remove the 2 screws and disconnect the wire harnesses from the master cylinder solenoid.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Using a screwdriver, remove the clip.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Remove the brake booster with accumulator pump assembly from the brake master cylinder.

  1. Remove the 2 brake booster pump collars and 2 brake booster pump bushes from the brake booster with accumulator pump assembly.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Using a 4 mm hexagon wrench, remove the 2 pins.



7. REMOVE NO. 1 BRAKE BOOSTER PUMP BRACKET


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Using a 5 mm hexagon wrench, remove the 2 bolts and No. 1 brake booster pump bracket from the brake master cylinder solenoid.

  1. Remove the brake booster pump bush from the No. 1 brake booster pump bracket.



8. REMOVE NO. 3 BRAKE ACTUATOR BRACKET


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the bolt and No. 3 brake actuator bracket from the brake master cylinder.



9. REMOVE BRAKE BOOSTER ACCUMULATOR PIPE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Secure the brake booster with accumulator pump assembly in a vise.

  1. Remove the brake booster accumulator.

  1. Remove the O-ring from the brake booster accumulator.

    NOTICE:
    Make sure no foreign matter enters the pump.
  1. Remove the brake booster accumulator pipe and compression spring.



10. REMOVE MASTER CYLINDER SOLENOID


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Remove the 6 bolts and master cylinder solenoid.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the gasket.



11. REMOVE MASTER CYLINDER PUSH ROD CLEVIS


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Loosen the lock nut on the rod operating adapter and remove the push rod clevis and lock nut.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Loosen the lock nut on the brake master cylinder side and remove the rod operating adapter and lock nut.



12. REMOVE MASTER CYLINDER BOOT


13. REMOVE BRAKE BOOSTER PISTON SUB-ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Brake System (Other).Brake System.Hydraulic Brake Booster (For Rhd)  Disassembly
  1. Pressing the piston in with a screwdriver, use a pin or equivalent to push the C-ring from the hole in the master cylinder body and then remove it with another screwdriver.

    Text in Illustration
    *1
    C-Ring
    *2
    Pin
    HINT:
    Pressing the piston in with a screwdriver, use a pin or equivalent to push the C-ring from the hole in the master cylinder body and then remove it with another screwdriver.
  1. Remove the plug from the piston.

  1. Remove the piston by pulling it straight out, not at an angle.

    NOTICE:
    If the piston pulled out at an angle, there is a possibility that the cylinder bore could be damaged.