Rear Brake (For Sedan) Reassembly

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

  1. INSTALL REAR WHEEL CYLINDER KIT

  2. INSTALL REAR WHEEL BRAKE CYLINDER ASSEMBLY

  3. INSTALL REAR BRAKE PARKING BRAKE SHOE LEVER SUB-ASSEMBLY

  4. INSTALL REAR BRAKE AUTOMATIC ADJUST LEVER

  5. INSTALL REAR BRAKE SHOE KIT

  6. CHECK REAR DRUM BRAKE INSTALLATION

Rear Brake (For Sedan) -- Reassembly



1. INSTALL REAR WHEEL CYLINDER KIT


    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Sedan)  Reassembly
  1. Apply lithium soap base glycol grease to 2 new wheel cylinder cups and the 2 pistons.

  1. Install the wheel cylinder cup onto each piston.

  1. Install the compression spring and 2 pistons onto the wheel brake cylinder.

  1. Install 2 new wheel cylinder boots onto the wheel brake cylinder.



2. INSTALL REAR WHEEL BRAKE CYLINDER ASSEMBLY


Yaris. Ncp93, 131
  1. Install the wheel brake cylinder with the bolt.

    Torque:
    9.8 N*m{100 kgf*cm, 7 ft.*lbf}
  1. Provisionally install the bleeder plug.

  1. Install the bleeder plug cap.



    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Sedan)  Reassembly
  1. Using a union nut wrench, install the brake tube.

    Torque:
    without union nut wrench:
    15 N*m{155 kgf*cm, 11 ft.*lbf}
    with union nut wrench:
    14 N*m{144 kgf*cm, 10 ft.*lbf}
    HINT:
    1. This torque value can be obtained by using a torque wrench with a fulcrum length of 300 mm (11.8 in.) and a union nut wrench with a fulcrum length of 22 mm (0.866 in.) (YARIS_NCP93 RM000000UYX0BYX.html).
    2. This torque value is effective when the union nut wrench is parallel to the torque wrench.


3. INSTALL REAR BRAKE PARKING BRAKE SHOE LEVER SUB-ASSEMBLY


Yaris. Ncp93, 131
  1. Using needle-nose pliers, install the parking brake shoe lever with a new C-washer.



4. INSTALL REAR BRAKE AUTOMATIC ADJUST LEVER


Yaris. Ncp93, 131
  1. Install the automatic adjust lever and automatic adjust lever tension spring onto the front brake shoe.



5. INSTALL REAR BRAKE SHOE KIT


Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Sedan)  Reassembly
  1. Apply high temperature grease to the surface of the backing plate which is in contact with the shoe.



    Yaris. Ncp93, 131
  1. Using needle-nose pliers, install the parking brake cable onto the parking brake shoe lever.



    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Sedan)  Reassembly
  1. Using SST, install the rear brake shoe, pin, shoe hold down spring and shoe hold down spring cup.

    SST
    09718-00010


    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Sedan)  Reassembly
  1. Apply high temperature grease to the adjusting bolt.



    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Sedan)  Reassembly
  1. Install the parking brake shoe strut set as shown in the illustration.



    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Sedan)  Reassembly
  1. Using SST, install the front brake shoe, pin, shoe hold down spring and shoe hold down spring cup.

    SST
    09718-00010


    Yaris. Ncp93, 131
  1. Using needle-nose pliers, install the tension spring onto the front brake shoe and rear brake shoe.



    Yaris. Ncp93, 131.Brake (Rear).Rear Brake (For Sedan).Rear Brake (For Sedan)  Reassembly
  1. Using SST, install the shoe return spring onto the front brake shoe.

    SST
    09703-30010
    NOTICE:
    Do not damage the wheel cylinder boot.


6. CHECK REAR DRUM BRAKE INSTALLATION


  1. Check that each part is installed properly.


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



    Yaris. Ncp93, 131
  1. Measure the brake drum inner diameter and the diameter of the brake shoes. Check that the difference between the diameters is equal to the specified shoe clearance.

    Shoe clearance:
    0.6 mm (0.024 in.)
    NOTICE:
    There should be no oil or grease adhering to the friction surfaces of the shoe lining or the drum.