Sienna FWD V6-3.5L (2GR-FE) (2009)
Brake Bleeding: Service and Repair
BRAKE: BRAKE FLUID: BLEEDING
BLEEDING
HINT: If any work is performed on the brake system or if air in the brake lines is suspected, bleed the air out of the brake system.
NOTICE: Wash the brake fluid off immediately if it adheres to any painted surfaces.
1. REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT See: Steering and Suspension/Suspension/Suspension Strut / Shock
Absorber/Service and Repair/Removal and Replacement/Front Shock Absorber with Coil Spring/Removal
2. FILL RESERVOIR WITH BRAKE FLUID
Fluid:
SAE J1703 or FMVSS No. 116 DOT3
NOTICE: Perform the procedure after confirming the sub-tank at the upper of the master cylinder assembly is filled enough.
3. BLEED BRAKE LINE
(a) Connect the vinyl tube to the bleeder plug.
(b) Depress the brake pedal several times, then loosen the bleeder plug with the pedal depressed (*1).
(c) At the point when fluid stops coming out, tighten the bleeder plug, then release the brake pedal (*2).
(d) Repeat (*1) and (*2) several times until all the air in the fluid is completely bled out.
(e) Tighten the bleeder plug completely.
Disc - Torque: 8.3 Nm (85 kgf-cm, 73in-lbf)
Drum - Torque: 11 Nm (112 kgf-cm, 8ft-lbf)
(f) Repeat the above procedure to bleed the air out of the brake line for each wheel.
4. BLEED MASTER CYLINDER
NOTICE: When the air is bled from the master cylinder (3rd chamber), be sure to run the engine.
HINT: If the master cylinder has been disassembled or if the reservoir becomes empty, bleed the air out of the master cylinder.
(a) Run the engine at idle.
(b) Connect the vinyl tube to the brake caliper bleeder plug.
(c) Open the brake caliper bleeder plug or wheel cylinder bleeder plug.
(d) Depress the brake pedal several times, then loosen the master cylinder (3rd chamber) bleeder plug with the pedal held down (*3).
(e) At the point when the fluid stops coming out, tighten the master cylinder (3rd chamber) bleeder plug, then release the brake pedal (*4).
(f) Repeat (*3) and (*4) several times until the air in the master cylinder is bled out.