Toyota Yaris: Rear Brake / Disassembly

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Brake / Brake (rear) / Rear Brake / Disassembly

DISASSEMBLY

PROCEDURE

1. REMOVE CYLINDER BOOT

(a) Using a screwdriver with its tip wrapped with protective tape, remove the 2 cylinder boots from the rear disc brake cylinder.

NOTICE:

  • Do not forcefully pry off the retainer.
  • Be careful not to damage the rear disc brake cylinder.

*1

Cylinder Boot

*2

Retainer

*a

Protective Tape

2. REMOVE REAR DISC BRAKE PISTON

(a) Install a wooden block between the pistons of the rear disc brake cylinder to stop them coming out.

*a

Wooden Block

(b) Using an air gun, gradually apply compressed air until the 2 rear disc brake pistons touch the wooden block.

CAUTION:

  • Do not insert your hand between the pistons to hold the rear disc brake cylinder.
  • When compressed air is blown in, the rear disc brake piston may jump out quickly and trap your fingers.

NOTICE:

Do not allow any brake fluid to spatter.

(c) Remove the wooden block.

(d) Remove the 2 rear disc brake pistons from the rear disc brake cylinder.

3. REMOVE PISTON SEAL

(a) Using a screwdriver with its tip wrapped with protective tape, remove the 2 piston seals from the rear disc brake cylinder.

NOTICE:

Do not damage the cylinder bore and the seal groove.

*a

Protective Tape

4. REMOVE REAR DISC BRAKE BLEEDER PLUG CAP

(a) Remove the rear disc brake bleeder plug cap from the rear disc brake bleeder plug.

5. REMOVE REAR DISC BRAKE BLEEDER PLUG

(a) Remove the rear disc brake bleeder plug from the rear disc brake cylinder.

    Removal

    REMOVAL CAUTION / NOTICE / HINT NOTICE: To avoid degrading the precision of the assembly, do not loosen or remove the 2 bolts shown in the illustration...

    Inspection

    INSPECTION PROCEDURE 1. INSPECT BRAKE CYLINDER AND PISTON (a) Check the rear disc brake cylinder bore and rear disc brake piston for rust and scoring. If necessary, replace the rear disc brake cylinder assembly and rear disc brake piston...

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