Toyota Yaris: Brake System (other) / Brake Line

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Brake / Brake System (other) / Brake Line

Precaution

PRECAUTION

TROUBLESHOOTING PRECAUTION

NOTICE:

  • Since the brake lines are critical safety related parts, be sure to disassemble and inspect the components if a brake fluid leak is found. If any abnormalities are found, replace the component with a new one.
  • When removing brake components, cover the brake line connections to prevent foreign matter such as dust or dirt from entering the lines.
  • Do not damage or deform the brake lines during the removal and installation procedures.
  • When installing a grommet to the vehicle body, ensure that the brake line passes through the center of the grommet.
  • Do not deform the bracket or the body when connecting a brake line and flexible hose.
  • When installing a brake line or flexible hose, ensure that they are free from twists or kinks.
  • If the metal end of a flexible hose does not match the groove on the bracket, twist the hose slightly to insert it.
  • Flexible hoses must be free from shock absorber oil, grease, etc.
  • When installing a brake line to a plastic clamp, ensure that the brake line is not loose or pinched.
  • Do not reuse any clips or plastic clamps removed from a flexible hose.
  • After installing a brake line or flexible hose, ensure that they do not interfere with any other components or vehicle body.
  • Do not allow brake fluid on any painted vehicle body surface. If brake fluid leaks onto any painted surface, immediately wash it off.

DISCONNECTING AND CONNECTING FLEXIBLE HOSE AND BRAKE LINE

(a) Disconnecting:

*a

Disconnecting

*b

Connecting

*c

Hold

*d

Turn

*e

Flexible Hose

*f

Brake Line

*g

Clip

(1) Hold the flexible hose with a wrench and disconnect the brake line using a union nut wrench without deforming the brake line.

(2) Remove the clip and disconnect the flexible hose.

(b) Connecting:

(1) Secure the flexible hose with a new clip. At this time, be sure to securely install the clip.

(2) Connect the brake line using a union nut wrench without deforming the brake line.

CONNECTING BRAKE LINE AND WAY

(a) Temporarily install the brake line to the way.

(b) Support the way to prevent deformation of the brake line and install the bolt to secure the way to the vehicle body.

*a

Hold

*b

Turn

*c

Way

(c) Support the way to prevent deformation of the brake line and connect the brake line to the way with a union nut wrench.

System Diagram

SYSTEM DIAGRAM

HINT:

See the layout drawing to confirm the locations and tightening torque of flexible hoses and brake lines.

*1

Brake Master Cylinder Sub-assembly

*2

Brake Booster Assembly

*3

Brake Actuator Assembly

-

-

*a

Brake Line

*b

Flexible Hose

*c

Brake Tube Way

*d

Union Nut

*e

Union Bolt

-

-

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft.*lbf)

*

For use with a union nut wrench

Front

-

-

    Bleeding

    BLEEDING CAUTION / NOTICE / HINT 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...

    Brake Master Cylinder

    ..

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