Installation [11/2021 - ]: Procedure

1. Align the matchmarks of the rear disc and rear axle hub and bearing assembly, and install the rear disc.
   NOTE:

   When replacing the rear disc with a new one, select the installation position where the rear disc has minimal runout.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Matchmark

2. Using a 5 mm hexagon socket wrench, install the bolt.

   Torque: 20.0 N.m (204 kgf/cm, 15 ft.lbf) 

   NOTE:

   • Do not apply excessive force to the bolt and front disc.
   • Confirm that the head of the bolt is not protruding from the surface of the disc.

1. Install 2 new rear No. 1 disc brake caliper plates to the rear disc brake caliper assembly.
2. Install the rear disc brake caliper assembly to the rear axle carrier sub-assembly with the 2 bolts.

   Torque: 125 N.m (1275 kgf/cm, 92 ft.lbf) 

1. Apply a light layer of lithium soap base glycol grease to the entire circumference of 2 new rear disc brake bushing dust boots.

   HINT: 

   Apply more than 0.3 g (0.01 oz) of lithium soap base glycol grease to each rear disc brake bushing dust boot.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Lithium Soap Base Glycol Grease

2. Install the 2 rear disc brake bushing dust boots to the rear disc brake cylinder mounting.

1. Apply a light layer of lithium soap base glycol grease to the contact surface of the rear disc brake cylinder slide pin.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Lithium Soap Base Glycol Grease

2. Install a new rear No. 1 disc brake cylinder slide bushing to the rear disc brake cylinder slide pin.
3. Apply a light layer of lithium soap base glycol grease to the sliding part and the sealing surfaces of the rear disc brake cylinder slide pin and rear No. 1 disc brake cylinder slide pin.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Lithium Soap Base Glycol Grease

4. Install the rear disc brake cylinder slide pin and rear No. 1 disc brake cylinder slide pin to the rear disc brake cylinder mounting.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Rear Disc Brake Cylinder Slide Pin
   *2	Rear No. 1 Disc Brake Cylinder Slide Pin

5. Push the rear disc brake cylinder slide pin and rear No. 1 disc brake cylinder slide pin into each rear disc brake bushing dust boot to engage the pins to the boots.

1. Install the 4 rear disc brake pad support plates to the rear disc brake cylinder mounting.
   NOTE:

   Be sure to install each rear disc brake pad support plate in the correct position and direction.

1. Check the rear disc brake pad.

   HINT: 

   If the rear disc brake pad has an identification mark, be sure to confirm the installation location.

   1. for Type A:

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      *A	LH Side	*B	RH Side
      *1	Rear Disc Brake Pad (Outer Side)	*2	Rear Disc Brake Pad (Inner Side)
      *a	Identification Mark (Yellow)	*b	Identification Mark (White)

   2. for Type B:

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      *A	LH Side	*B	RH Side
      *1	Rear Disc Brake Pad (Outer Side)	*2	Rear Disc Brake Pad (Inner Side)
      *a	Identification Mark (Purple)	*b	Identification Mark (Brown)

   3. for Type C:

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      *A	LH Side	*B	RH Side
      *1	Rear Disc Brake Pad (Outer Side)	*2	Rear Disc Brake Pad (Inner Side)
      *a	Identification Mark (Yellow)	-	-

2. Install the rear No. 1 disc brake anti-squeal shim and rear No. 2 disc brake anti-squeal shim to each rear disc brake pad.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Rear Disc Brake Pad
   *2	Rear No. 1 Disc Brake Anti-squeal Shim
   *3	Rear No. 2 Disc Brake Anti-squeal Shim
   *4	Rear Disc Brake Pad Wear Indicator Plate

3. Install a new rear disc brake pad wear indicator plate to each rear disc brake pad.

1. Install the 2 rear disc brake pads to the rear disc brake cylinder mounting.
   NOTE:

   Install the rear disc brake pad so that the rear disc brake pad wear indicator plate is mounted on the upper side of the vehicle.

1. Hold the 2 rear disc brake cylinder slide pins, and install the rear disc brake cylinder assembly to the rear disc brake cylinder mounting with 2 bolts.

   Torque: 34.3 N.m (350 kgf/cm, 25 ft.lbf) 

   NOTE:

   If bleeding of air from the rear brake cylinder assembly will be performed, reuse the bolts. If bleeding of air from the rear brake cylinder assembly will not be performed, install new bolts.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Hold
   *b	Tune

Refer to PROCEDURE - Step 1

Refer to PROCEDURE - Step 2

1. Connect the rear flexible hose to the rear disc brake cylinder assembly with a new union bolt and a new gasket.

   Torque: 30.4 N.m (310 kgf/cm, 22 ft.lbf) 

   NOTE:

   Install the rear flexible hose lock securely into the lock hole in the rear disc brake cylinder assembly.

Refer to BLEEDING [11/2021 - ]

HINT: 

• Use the same procedure for the RH side and LH side.
• The following procedure is for the LH side.
• While performing air bleeding of the rear disc brake cylinder assembly, the bolts can be reused during the bleeding procedure. After air bleeding is complete, replace the bolts with new ones.

1. Perform the procedure to enter rear disc brake pad replacement mode 5 times.

   Refer to REAR BRAKE PAD REPLACEMENT MODE [09/2020 - ]

2. Release the parking brake.
3. Disconnect the No. 2 parking brake wire assembly connector from the parking brake actuator assembly.

   Refer to PROCEDURE - Step 4

4. Remove the brake master cylinder reservoir filler cap assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

5. Add brake fluid to keep the level between the MIN and MAX lines of the reservoir while bleeding the brakes.
   NOTE:

   • Make sure that there is sufficient brake fluid in the reservoir.
   • If brake fluid leaks onto any painted surface, immediately wash it off.
   • Do not remove the filter from the brake master cylinder reservoir assembly and be sure to fill the brake master cylinder reservoir assembly with new brake fluid to avoid any potential contamination of the brake system. Contamination, for example by dirt particles or mineral oil, could lead to functional brake problems.
6. Hold the 2 rear disc brake cylinder slide pins and remove the 2 bolts and separate the rear disc brake cylinder assembly from the rear disc brake cylinder mounting.(*1)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Tune
   *b	Hold

7. Hold the rear disc brake cylinder assembly horizontally, then tilt it 45° toward the bleeder plug side as shown in the illustration.(*2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

8. Temporarily install the rear disc brake cylinder assembly to the rear disc brake cylinder mounting with the 2 bolts.(*3)
9. Depress the brake pedal several times, and then loosen the bleeder plug with the pedal depressed.(*4)
10. When fluid stops coming out, tighten the bleeder plug and release the brake pedal.(*5)
11. Repeat steps (*1) through (*5) 3 times.
    NOTE:

    If there is still air in the system after performing steps (*1) through (*5) 3 times, repeat the steps (*1) through (*5) until the air has been bled.

12. Tighten the bleeder plug completely.

    Torque: 8.3 N.m (85 kgf/cm, 73 in.lbf) 

13. Hold the 2 rear disc brake cylinder slide pins, and install the rear disc brake cylinder assembly to the rear disc brake cylinder mounting with 2 new bolts.

    Torque: 34.3 N.m (350 kgf/cm, 25 ft.lbf) 

14. Connect the No. 2 parking brake wire assembly connector to the parking brake actuator assembly.

    Refer to PROCEDURE - Step 2

15. Inspect for brake fluid leaks.
16. Inspect the brake fluid level in the reservoir.

    Refer to ON-VEHICLE INSPECTION [04/2013 - ]

17. Install the brake master cylinder reservoir filler cap assembly.

Refer to PROCEDURE - Step 1 [09/2020 - 10/2023] , or refer to PROCEDURE - Step 2 [10/2023 - ]

Refer to REAR BRAKE PAD REPLACEMENT MODE [09/2020 - ]