Toyota Avalon Service & Repair Manual: Disassembly

DISASSEMBLY

CAUTION / NOTICE / HINT

CAUTION:

If the rear disc brake cylinder assembly has been disassembled, perform air bleeding for the rear disc brake cylinder assembly.

for Gasoline Model: Click here

for HV Model: Click here

NOTICE:

  • Make sure not to scratch, damage or apply excessive force to any of the internal components of the rear disc brake cylinder.
  • To prevent rusting on the inside of the rear disc brake cylinder, perform the rear disc brake piston removal and installation quickly.
  • Do not clean the interior of the rear disc brake cylinder with brake cleaner.
  • Do not remove any parts unless specifically instructed to do so, and only remove the parts indicated.
  • Make sure to enter pad replacement mode before removing the rear disc brake cylinder assembly.

    for Gasoline Model: Click here

    for HV Model: Click here

PROCEDURE

1. REMOVE CYLINDER BOOT

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

NOTICE:

Do not damage the inner surface or cylinder boot groove of the rear disc brake cylinder.

*a

Protective Tape

2. REMOVE REAR DISC BRAKE PISTON

(a) Place a piece of cloth between the rear disc brake piston and rear disc brake cylinder.

*a

Cloth

(b) Apply compressed air to remove the rear disc brake piston from the rear disc brake cylinder.

  • Do not hold the rear disc brake cylinder with any part of your hand between the rear disc brake cylinder and rear disc brake piston.
  • Do not place any part of your hand in front of the rear disc brake piston when using compressed air as a severe injury may result.

NOTICE:

Do not allow any brake fluid to spatter.

3. REMOVE PISTON SEAL

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

NOTICE:

  • Do not damage the inner surface or piston seal groove of the rear disc brake cylinder.
  • Do not allow the nut to rotate. If the nut is accidentally allowed to rotate, return it to its original position.

*a

Protective Tape

*b

Nut

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.

    Components

    Inspection

    See More:

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