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Brake Booster Pump: Installation: Installation

  1. INSTALL BRAKE BOOSTER PUMP ASSEMBLY 
    1. Install the brake booster pump assembly, 2 brake booster pump bushings and 2 brake actuator case collars to the brake actuator bracket assembly with the 2 nuts.
      Fig 1: Identifying Brake Booster Pump Assembly
      GTY262902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Nut
      *2 Brake Actuator Case Collar
      *3 Brake Booster Pump Bushing
      *4 Brake Actuator Bracket Assembly
      *5 Brake Booster Pump Assembly
      *6 Brake Actuator Bracket Cushion
      *7 Brake Booster Pump Collar

      Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

      NOTE:
      • Do not drop the brake booster pump assembly when carrying it.
      • Do not carry the brake booster pump assembly by the connector.
      • Confirm that the 2 brake actuator bracket cushions are on the brake actuator bracket assembly, and each brake booster pump bushing and brake booster pump collar are on the brake booster pump assembly when installing the brake booster pump assembly to the brake actuator bracket assembly.
      • Do not remove the hole plugs before installing a new brake booster pump assembly because the brake booster pump assembly is filled with brake fluid.
  2. INSTALL NO. 1 BRAKE TUBE CLAMP BRACKET 
    1. Install the No. 1 brake tube clamp bracket to the brake booster pump assembly with the bolt.
      Fig 2: Identifying No. 1 Brake Tube Clamp Bracket & Bolt
      GTY271859Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Stopper

      Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf) 

      NOTE:

      Securely install the No. 1 brake tube clamp bracket so that its stopper contacts the brake booster pump assembly.

  3. INSTALL BRAKE BOOSTER PUMP ASSEMBLY WITH BRACKET 
    1. Install the brake booster pump assembly with bracket with the 3 nuts.
      Fig 3: Identifying Brake Booster Pump Assembly With Bracket & Nuts
      GTY287269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf) 

      NOTE:
      • Do not kink or damage the brake lines, fuel lines or wire harness.
      • Tighten the 3 nuts in the order shown in the illustration.
    2. Engage the 2 clamps and install the bolt.
      Fig 4: Identifying Clamps & Bolts
      GTY265519Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf) 

      NOTE:

      Do not kink or damage the brake lines, fuel lines or wire harness.

    3. Using a union nut wrench, connect the front No. 1 brake line to the brake booster pump assembly.
      Fig 5: Identifying No. 6 Brake Tube Clamp & Bolt
      GTY275371Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 No. 6 Brake Tube Clamp
      *2 Front No. 1 Brake Line
      NOTE:
      • Do not kink or damage the brake lines.
      • Use the formula to calculate special torque values for situations where the union nut wrench is combined with a torque wrench. Refer toPRECAUTION .
    4. Install the No. 6 brake tube clamp with the bolt.

      Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf) 

    5. Engage the clamp and connect the 2 connectors.
      Fig 6: Identifying Brake Booster Pump Assembly, Clamp & Connector
      GTY220108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Install the wire harness clamp bracket with the bolt and nut.
      Fig 7: Identifying Wire Harness Clamp Bracket, Nut & Bolt
      GTY278748Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.4 N*m (85 kgf*cm, 74 in.*lbf) 

  4. INSTALL FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY 

    HINT: 

    Refer to the procedure from Install Front Suspension Crossmember Sub-assembly. Refer toINSTALLATION - Step 14 .

  5. INSTALL BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY 

    HINT: 

    Refer to the procedure from Install Brake Booster with Master Cylinder Assembly. Refer toINSTALLATION .