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Home >> Toyota >> 2020 >> Prius Limited >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Hydraulic) - Service Information >> Brake Booster Pump >> Removal [11/2015 - 12/2018] >> Procedure

Removal [11/2015 - 12/2018]: Procedure

  1. REMOVE BRAKE ACTUATOR ASSEMBLY 

    Refer to REMOVAL [11/2015 - 12/2018]

  2. SEPARATE NO. 1 BRAKE ACTUATOR TUBE 
    1. Remove the 2 nuts and separate the No. 1 brake actuator tube.
      GTY581494Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE ACCUMULATOR TO BRAKE MASTER CYLINDER TUBE 
    1. Using a union nut wrench, disconnect the accumulator to brake master cylinder tube from the brake booster with master cylinder assembly.
      GTY585103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the claw to separate the clamp cover.
      GTY593639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Clamp Cover - -
    3. Disengage the 3 clamps and remove the accumulator to brake master cylinder tube.
  4. REMOVE BRAKE BOOSTER PUMP ASSEMBLY 
    1. Disengage the clamp to separate the No. 3 front brake tube from the brake actuator bracket assembly.
      GTY585099Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 nuts.
      GTY607937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt of the brake actuator bracket assembly.
      GTY590886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Union *b Connector
      *c Wire Harness *d Stud
      Remove in this Direction - -
    4. Remove the brake booster pump assembly as shown in the illustration.
      NOTE:
      • Do not apply excessive force to the brake lines or refrigerant lines.
      • Do not carry the brake booster pump assembly by the parts shown in the illustration.
      • Do not drop the brake booster pump assembly when carrying it.
      • Be careful not to allow brake fluid to enter the connector.

      HINT: 

      Move the brake actuator bracket assembly as necessary to allow the brake booster pump assembly to be removed.

    5. Remove the brake actuator bracket assembly from the vehicle body.
      NOTE:

      Do not apply excessive force to the brake lines or refrigerant lines.

    6. Remove the brake actuator case collar and brake booster pump bushing from the brake actuator bracket assembly.
      GTY585089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NO. 1 BRAKE ACTUATOR HOSE 
    1. Slide the clip and remove the No. 1 brake actuator hose from the brake booster pump assembly.
      GTY585091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE NO. 1 BRAKE TUBE CLAMP BRACKET 
    1. Remove the bolt and No. 1 brake tube clamp bracket from the brake booster pump assembly.
      GTY607935Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002