Rear Brake (For Hatchback Disc Type) Reassembly

Brake. Yaris. Ncp93, 131
Brake (Rear). Yaris. Ncp93, 131

  1. TEMPORARILY TIGHTEN REAR DISC BRAKE BLEEDER PLUG

  2. INSTALL REAR DISC BRAKE BLEEDER PLUG CAP

  3. INSTALL PISTON SEAL

  4. INSTALL CYLINDER BOOT

  5. INSTALL REAR DISC BRAKE PISTON

Rear Brake (For Hatchback Disc Type) -- Reassembly


HINT:
  1. Use the same procedure for the LH side and RH side.
  2. The following procedure listed is for the LH side.


1. TEMPORARILY TIGHTEN REAR DISC BRAKE BLEEDER PLUG


2. INSTALL REAR DISC BRAKE BLEEDER PLUG CAP


3. INSTALL PISTON SEAL


    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Hatchback Disc Type) Reassembly

  1. Apply a light layer of lithium soap base glycol grease to the entire circumference of a new piston seal as shown in the illustration.

    Text in Illustration
    *1
    		Lithium Soap Base Glycol Grease

  1. Install the piston seal to the rear disc brake cylinder.

    NOTICE:
    Securely install the piston seal into the groove of the rear disc brake cylinder.


4. INSTALL CYLINDER BOOT


    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Hatchback Disc Type) Reassembly

  1. Apply a light layer of lithium soap base glycol grease to the entire circumference of a new cylinder boot as shown in the illustration.

    Text in Illustration
    *1
    		Cylinder Boot
    *2
    		Disc Brake Piston
    *3
    		Lithium Soap Base Glycol Grease

  1. Apply a light layer of lithium soap base glycol grease to the entire circumference of the rear disc brake piston as shown in the illustration.

  1. Install the cylinder boot to the rear disc brake piston.

    NOTICE:
    Do not install the cylinder boot after installing the piston into the disc brake cylinder.


5. INSTALL REAR DISC BRAKE PISTON


    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Hatchback Disc Type) Reassembly

  1. Install the seal portion of the cylinder boot into the groove portion of the rear disc brake cylinder.

    Text in Illustration
    *a
    		Seal Portion
    *b
    		Groove Portion
    NOTICE:
    Securely install the cylinder boot to the groove of the rear disc brake cylinder.


    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Hatchback Disc Type) Reassembly

  1. Using SST, screw the piston to the end by turning it clockwise as far as possible.

    SST
    09719-12010(09719-01030)
    NOTICE:
    1. Securely install the cylinder boot to the groove of the piston.
    2. Do not damage the piston or cylinder boot.
    HINT:
    For the RH side, turn the piston counterclockwise.


    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Hatchback Disc Type) Reassembly

  1. Using SST, slowly turn the piston counterclockwise until the piston groove is positioned as shown in the illustration.

    HINT:
    1. When installing the disc brake cylinder to the disc cylinder mounting, align the piston groove with the protrusion on the brake pad.
    2. For the RH side, turn the piston clockwise.


    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Hatchback Disc Type) Reassembly

  1. Make sure that the cylinder boot is securely installed into the groove of the disc brake cylinder and disc brake piston.

    Text in Illustration
    *1
    		Cylinder Boot