Installation [12/2021 - ]: Procedure

HINT: 

Perform this procedure only when replacement of the No. 2 brake power supply bracket is necessary.

1. Using a 5 mm long hexagon socket wrench, install the No. 2 brake power supply bracket with the 2 bolts.

   Torque: 6.6 N.m (67 kgf/cm, 58 in.lbf) 

HINT: 

Perform this procedure only when replacement of the No. 1 brake power supply bracket is necessary.

1. Using a 5 mm long hexagon socket wrench, install the No. 1 brake power supply bracket with the 2 bolts.

   Torque: 6.6 N.m (67 kgf/cm, 58 in.lbf) 

HINT: 

Perform this procedure only when replacement of the No. 2 wire clamp bracket is necessary.

1. Using a 5 mm long hexagon socket wrench, install the No. 2 wire clamp bracket with the bolt.

   Torque: 6.6 N.m (67 kgf/cm, 58 in.lbf) 

1. Temporarily install the brake booster with accumulator pump assembly, brake booster pump bushing and brake actuator case collar with the nut to the brake booster with master cylinder assembly as shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Brake Booster with Accumulator Pump Assembly	*2	Brake Booster Pump Bushing
   *3	Brake Actuator Case Collar	*4	Nut

2. Fully tighten the nut and engage the 3 clamps.

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

3. Using a union nut wrench, install the brake actuator tube.

   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 brake line.
   • Do not allow any foreign matter such as dirt or dust to enter the brake line 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)

4. Connect the No. 2 reservoir hose to the brake booster with accumulator pump assembly and slide the clip to secure it.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Paint Mark	*b	Rib
   *c	Center of Rib	*d	within 45°
   	Left Side of the Vehicle	-	-

   NOTE:

   • Make sure to align the paint mark of the reservoir hose with the rib.
   • Install the clip within the range shown in the illustration.

Refer to INSTALLATION [12/2021 - ]