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Brake Actuator: Installation: Installation

  1. INSTALL BRAKE ACTUATOR ASSEMBLY 
    1. Install the brake actuator to the brake actuator bracket assembly with the 3 bolts.
      Fig 1: Installing Brake Actuator Assembly & Fasteners To Brake Actuator Bracket Assembly
      GTY307357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      NOTE:
      • Do not remove the hole plugs of a new brake actuator before connecting the 6 brake lines because the brake actuator is filled with brake fluid.
      • Do not hold the actuator by the connector.
      • Tighten the 3 bolts in the order shown in the illustration.
  2. INSTALL BRAKE ACTUATOR WITH BRACKET 
    1. Install the brake actuator with bracket to the body with the bolt and 2 nuts.
      Fig 2: Installing Brake Actuator/Bracket & Fasteners To Body
      GTY296283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      NOTE:
      • Do not damage the brake lines or wire harness.
      • Tighten the bolt and 2 nuts in the order shown in the illustration.
    2. Temporarily tighten each brake line to the correct positions of the brake actuator with bracket as shown in the illustration.
      Fig 3: Marked Brake Actuator Lines
      GTY295747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a To front wheel cylinder RH
      *b To front wheel cylinder LH
      *c To rear wheel cylinder RH
      *d To rear wheel cylinder LH
      *e From 1st of master cylinder
      *f From 2nd of master cylinder
    3. Using union nut wrenches (10 mm and 12 mm), fully tighten each brake line.
      Fig 4: Brake Actuator Brake Line Union Fasteners
      GTY295110Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      Flare Nut A (10 mm)
      Flare Nut B (12 mm)

      Flare nut A (10 mm) 

      Torque: 15 N*m (155 kgf*cm, 11 ft.*lbf) 

      Flare nut B (12 mm) 

      Torque: 20 N*m (199 kgf*cm, 14 ft.*lbf) 

      NOTE:

      Use the formula to calculate special torque values for situations where the union nut wrench is combined with a torque wrench. Refer to PRECAUTION .

    4. Install the harness clamp.
      Fig 5: Installing Brake Actuator Connector & Clamp
      GTY299096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the brake actuator connector.
      NOTE:
      • Make sure that the connector is locked securely.
      • Make sure that the actuator connector can be connected smoothly. Do not allow water, oil or dirt to enter.
    6. Install the air conditioner tube and accessory assembly to the body with the bolt.
      Fig 6: Air Conditioner Tube & Accessory Assembly Fastener To Body
      GTY306274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      NOTE:
      • Be sure to insert the air conditioner tube and accessory assembly into the stopper hole while installing the air conditioner tube and accessory assembly.
      • Do not damage the air conditioner tube and accessory assembly.
    7. Install the harness clamp and connect the air conditioner pressure sensor connector.
  3. FILL RESERVOIR WITH BRAKE FLUID  . Refer to REPLACEMENT - Step 2
  4. BLEED BRAKE MASTER CYLINDER  . Refer to BLEEDING - Step 3
  5. BLEED BRAKE LINE  . Refer to BLEEDING - Step 4
  6. BLEED BRAKE ACTUATOR  . Refer to BLEEDING - Step 5
  7. INSPECT FOR BRAKE FLUID LEAK 
  8. INSPECT FLUID LEVEL IN RESERVOIR  . Refer to ON-VEHICLE INSPECTION - Step 1
  9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .

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

  10. INSPECT BRAKE ACTUATOR USING TECHSTREAM 

    Refer to ON-VEHICLE INSPECTION 

  11. PERFORM YAW RATE AND ACCELERATION SENSOR ZERO POINT CALIBRATION 

    Refer to TEST MODE PROCEDURE

  12. CHECK AND CLEAR DTCS 

    Refer to DTC CHECK / CLEAR

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