Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VIXO
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: BRAKE SYSTEM (OTHER): BRAKE FLUID: REPLACEMENT; 2016 - 2020 MY Sienna [12/2015 -        ]

REPLACEMENT

CAUTION / NOTICE / HINT

HINT:

If any work is performed on the brake system or if air in the brake lines is suspected, bleed the brake system.

NOTICE:

  • Move the shift lever to P and apply the parking brake before bleeding the brakes.
  • Add brake fluid to keep the level between the MIN and MAX lines of the reservoir while bleeding the brakes.
  • If brake fluid leaks onto any painted surface, immediately wash it off.
  • If bleeding is performed with the engine running or the ignition switch ON, DTC C1441 will be stored. Make sure to clear the DTCs when work is complete.

PROCEDURE

1. REMOVE COWL TOP VENTILATOR LOUVER BRACKET RH

(a) Disengage the 2 claws and 2 guides and remove the cowl top ventilator louver bracket RH.

2. FILL RESERVOIR WITH BRAKE FLUID

(a) Remove the brake master cylinder reservoir filler cap assembly.

(b) Fill the reservoir with brake fluid.

Brake Fluid:

SAE J1703 or FMVSS No. 116 DOT 3

NOTICE:

Make sure that there is sufficient brake fluid in the reservoir.

3. REPLACE BRAKE LINE

NOTICE:

  • Add brake fluid to keep the level between the MIN and MAX lines of the reservoir while bleeding the brakes.
  • If brake fluid leaks onto any painted surface, immediately wash it off.

(a) Connect a vinyl tube to the bleeder plug.

(b) Depress the brake pedal several times, and then loosen the bleeder plug with the pedal depressed*1.

(c) When fluid stops coming out, tighten the bleeder plug, and then release the brake pedal*2.

(d) Repeat *1 and *2 until all the air in the fluid is completely bled out.

(e) Tighten the bleeder plug completely.

Torque:

Front bleeder plug :

8.3 N·m {85 kgf·cm, 73 in·lbf}

Rear bleeder plug :

11 N·m {110 kgf·cm, 8 ft·lbf}

(f) Repeat the above procedure for each wheel to bleed the brake line.

4. INSPECT FOR BRAKE FLUID LEAK

5. INSPECT FLUID LEVEL IN RESERVOIR

2016 - 2020 MY Sienna [12/2015 -        ]; BRAKE SYSTEM (OTHER): BRAKE FLUID: ON-VEHICLE INSPECTION+

6. INSTALL COWL TOP VENTILATOR LOUVER BRACKET RH

(a) Engage the 2 guides and 2 claws and install the cowl top ventilator louver bracket RH.

7. CHECK AND CLEAR DTCS

(See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DTC CHECK / CLEAR 2018 - 2020 MY Sienna [11/2017 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DTC CHECK / CLEAR )