Toyota Avalon (XX50): Rear Brake Flexible Hose

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / General / Maintenance / Rear Brake Flexible Hose

Components

COMPONENTS

ILLUSTRATION

*1

REAR FLEXIBLE HOSE

*2

GASKET

*3

UNION BOLT

*4

BRAKE LINE

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

Non-reusable part

-

-

Installation

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

  • Because the left and right rear flexible hoses are not interchangeable, verify the part number when installing the rear flexible hoses.
  • When reusing the rear flexible hoses, use the identification marks created during removal to install each rear flexible hose to its original position.

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. INSTALL REAR FLEXIBLE HOSE

NOTICE:

When installing the rear flexible hose, minimize twisting of the hose.

(a) Install the rear flexible hose with a new clip.

NOTICE:

  • Install the clip as far as it will go.
  • When installing the rear flexible hose, face the identification mark to the upper side of the vehicle.

*a

Identification Mark

*b

Torque Wrench Fulcrum Length

*c

Union Nut Wrench

(b) Using a union nut wrench, connect the brake line to the rear flexible hose while holding the rear flexible hose with a wrench.

Torque:

Specified tightening torque :

15.2 N·m {155 kgf·cm, 11 ft·lbf}

NOTICE:

  • Do not kink or damage the brake line.
  • Do not allow any foreign matter such as dirt or dust to enter the brake line from the connecting parts.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using a union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    13.4 N*m (137 kgf*cm, 10 ft.*lbf)

(c) Install the rear flexible hose to the rear flexible hose bracket with the bolt.

Torque:

29 N·m {296 kgf·cm, 21 ft·lbf}

(d) Install the rear flexible hose to the rear disc brake cylinder assembly with a new union bolt and a new gasket.

Torque:

29 N·m {296 kgf·cm, 21 ft·lbf}

NOTICE:

Install the rear flexible hose lock securely into the lock hole in the rear disc brake cylinder assembly.

2. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL (for HV Model)

(a) Connect the reservoir level switch connector.

(b) Connect the cable to the negative (-) auxiliary battery terminal.

Click here

3. BLEED BRAKE LINE

for Gasoline Model: Click here

for HV Model: Click here

4. INSTALL REAR WHEEL

Click here

Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear brake flexible hose removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*1: for HV Model

*2: When performing learning using the Techstream.

Click here

Auxiliary battery terminal is disconnected/reconnected*1

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*2

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

NOTICE:

If both left and right rear flexible hoses are disconnected at the same time, be sure to place an identification mark on each hose to indicate its installation position.

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. PRECAUTION (for HV Model)

NOTICE:

After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

Click here

2. DISABLE BRAKE CONTROL (for HV Model)

Click here

3. REMOVE REAR WHEEL

Click here

4. DRAIN BRAKE FLUID

NOTICE:

If brake fluid leaks onto any painted surface, immediately wash it off.

5. REMOVE REAR FLEXIBLE HOSE

(a) Remove the union bolt and gasket, and disconnect the rear flexible hose from the rear disc brake cylinder assembly.

(b) Remove the bolt and separate the rear flexible hose from the rear flexible hose bracket.

(c) Using a union nut wrench, disconnect the brake line while holding the rear flexible hose with a wrench.

NOTICE:

  • Do not kink or damage the brake line.
  • Do not allow any foreign matter such as dirt or dust to enter the brake line from the connecting parts.

(d) Remove the clip and rear flexible hose from the vehicle body.

Hybrid Transaxle Fluid

Rear Disc Brake Pad

See More:

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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