Installation [11/2018 - 12/2021]: Procedure

1. Install the 2 brake booster pump collars and 2 brake booster pump bushings to the brake booster pump assembly as shown in the illustration.

   HINT: 

   Perform this procedure only when replacement of the brake booster pump collars or brake booster pump bushings is necessary.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Brake Booster Pump Collar
   *2	Brake Booster Pump Bushing

2. Connect the brake booster pump assembly, brake booster pump bushing and No. 2 brake actuator case collar to the brake actuator bracket assembly as shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1

   Brake Booster Pump Collar

   *2

   Brake Booster Pump Bushing

   NOTE:

   • Be careful not to allow brake fluid to enter the connector.
   • When installing the brake booster pump assembly to the brake actuator bracket assembly, confirm that the 2 brake booster pump bushings and 2 brake booster pump collars are installed to the brake booster pump assembly.
   • Do not drop the brake booster pump assembly when carrying it.
   • Do not install a brake booster pump assembly that has been dropped.
   • Do not remove the hole plugs of a new brake booster pump assembly before connecting the brake lines because the brake booster pump assembly is filled with brake fluid.
   • Do not carry the brake booster pump assembly by the parts shown in the illustration.

     Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

     *a	Union
     *b	Connector
     *c	Wire Harness
     *d	Stud

3. Install the nut.

   Torque: 6.5 N.m (66 kgf/cm, 58 in.lbf) 

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

4. Engage the 2 clamps to connect the wire harness to the brake actuator bracket assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the No. 2 brake actuator hose to the brake booster pump assembly and slide the clip to secure it.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Identification Mark
   	Rear of the vehicle
   	Up

   NOTE:

   • Make sure to connect the No. 2 brake actuator hose with its identification mark facing the rear of the vehicle.
   • Install the clip within the range shown in the illustration.

1. Temporarily install the brake booster pump assembly with bracket to the vehicle body with the 2 bolts and nut.
   NOTE:

   • Do not apply excessive force to the brake 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.
   • Do not remove the hole plugs of a new brake booster pump assembly before connecting the brake lines because the brake booster pump assembly is filled with brake fluid.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Union
   *b	Connector
   *c	Wire Harness
   *d	Stud

   HINT: 

   Install the 2 bolts from the bottom of the vehicle.

2. Tighten the 2 bolts and nut in the order shown in the illustration.

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

3. Connect the connector to the brake booster pump assembly and lock the lock lever as shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   	Connect the connector
   	Lock the lock lever

   NOTE:

   • Make sure that the connector is locked securely.
   • Make sure that the connector can be connected smoothly.
   • Do not allow water, oil or dirt to enter the connector.

1. Using a union nut wrench, connect the accumulator to brake master cylinder tube to the brake booster pump assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Torque Wrench Fulcrum Length
   *b	Union Nut Wrench

   Specified tightening torque 

   Torque: 15.2 N.m (155 kgf/cm, 11 ft.lbf) 

   NOTE:

   • Do not kink or damage the accumulator to brake master cylinder tube.
   • Do not allow the accumulator to brake master cylinder tube to twist or interfere with other parts or the vehicle body during tightening.
   • Do not allow any foreign matter such as dirt or dust to enter the accumulator to brake master cylinder tube from the connecting parts.

   HINT: 

   • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

     Refer to PRECAUTION [11/2018 - ]

   • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

     13.4 N.m (137 kgf/cm, 10 ft.lbf)

1. Connect the No. 2 brake actuator hose to the No. 1 brake actuator tube and slide the clip to secure it.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Identification Mark
   	Front of the vehicle

   NOTE:

   • When connecting the No. 2 brake actuator hose, face the identification mark toward the front of the vehicle.
   • Install the clip within the range shown in the illustration.

See step  13 [11/2018 - 02/2019], or see step  13 [02/2019 - 10/2019], or see step  13 [10/2019 - 08/2020], or see step  13 [08/2020 - 12/2021]

See step  10

See step  11

Refer to PROCEDURE - Step 12

Refer to BLEEDING [11/2018 - 12/2021]

Refer to PROCEDURE - Step 46 [11/2018 - 02/2019] , or refer to PROCEDURE - Step 54 [02/2019 - 08/2020] , or refer to PROCEDURE - Step 54 [08/2020 - 12/2021]

Refer to INSTALLATION [11/2018 - ]