Toyota CH-R Service Manual: Disassembly

DISASSEMBLY

CAUTION / NOTICE / HINT

NOTICE:

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

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

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PROCEDURE

1. REMOVE CYLINDER BOOT

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

NOTICE:

Make sure not to scratch or damage the inside of the rear disc brake cylinder LH or the cylinder boot installation groove.

*a

Protective Tape

2. REMOVE REAR DISC BRAKE PISTON

(a) To prevent scratches or other damage, insert a piece of cloth, etc., between the rear disc brake piston and the rear disc brake cylinder.

*a

Cloth

(b) Using compressed air, gradually blow in air to remove the rear disc brake piston from the rear disc brake cylinder.

CAUTION:

  • 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 assembly.

    Removal
    REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. PRECAUTION Click here 2. ...

    Inspection
    INSPECTION PROCEDURE 1. INSPECT PAD LINING THICKNESS (a) Using a ruler, measure the rear disc brake pad lining thickness. Standard Thickness: 9.5 mm (0.374 in.) Minimum Thickne ...

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