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Home >> Lexus >> 2008 >> RX 400h FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Service Information) >> Rear Brake Pad, Brake Caliper & Brake Rotor >> Disassembly

Rear Brake Pad, Brake Caliper & Brake Rotor: Disassembly

  1. REMOVE DISC BRAKE PAD KIT REAR (PAD ONLY) 
  2. REMOVE ANTI-SQUEAL SHIM KIT REAR 
    1. Remove the 2 anti-squeal shims and the pad wear indicator plate from each pad.
    Fig 1: Identifying Rear Disc Brake Cylinder Assembly
    G05241815Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE REAR DISC BRAKE PAD SUPPORT PLATE NO.1 
    1. Remove the rear disc brake pad support plate No.1 from the rear disc brake cylinder mounting.
  4. REMOVE REAR DISC BRAKE PAD SUPPORT PLATE NO.2 
    1. Remove the rear disc brake pad support plate No.2 from the rear disc brake cylinder mounting.
  5. REMOVE REAR DISC BRAKE BUSHING DUST BOOT 
    1. Remove the 2 rear disc brake bushing dust boots from the rear disc brake cylinder mounting.
    Fig 2: Locating Rear Disc Brake Bushing Dust Boots
    G05202937Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE REAR DISC BRAKE CYLINDER SLIDE BUSHING 
    1. Remove the rear disc brake cylinder slide bushing from the rear disc brake cylinder slide pin No.2.
    NOTE: Do not damage the rear disc brake cylinder slide pin No.2.

    HINT:

    Tape the screwdriver tip before use.

    Fig 3: Removing Rear Disc Brake Cylinder Slide Bushing
    G05202938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE REAR DISC BRAKE CYLINDER MOUNTING 
    1. Remove the 2 bolts and the rear disc brake cylinder mounting.
    Fig 4: Locating Rear Disc Brake Cylinder Mounting Bolts
    G05241817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE CYLINDER BOOT 
    1. Using a screwdriver, remove the cylinder boot.

    HINT:

    Tape the screwdriver tip before use.

  9. REMOVE REAR DISC BRAKE PISTON 
    1. Place a shop rug or a piece of cloth between the brake piston and the rear disc brake cylinder sub-assembly.
      Fig 5: Removing Cylinder Boot
      G05202940Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Use compressed air to remove the piston from the disc brake cylinder assembly.
    CAUTION: Do not place your fingers in front of the brake piston when using compressed air.
    NOTE: Do not spatter the brake fluid.
    Fig 6: Removing Piston From Disc Brake Cylinder Assembly
    G05202941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE PISTON SEAL 
    1. Using a screwdriver, remove the piston seal from the rear disc brake cylinder sub-assembly.
    NOTE: Do not damage the inner cylinder and the cylinder groove.

    HINT:

    Tape the screwdriver tip before use.

    Fig 7: Removing Piston Seal From Rear Disc Brake Cylinder Sub-Assembly
    G05241804Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE REAR DISC BRAKE BLEEDER PLUG CAP 
    1. Remove the bleeder plug cap from the rear disc brake bleeder plug.
  12. REMOVE REAR DISC BRAKE BLEEDER PLUG 
    1. Remove the rear disc brake bleeder plug from the rear disc brake cylinder sub-assembly.
  13. REMOVE REAR DISC 
    1. Put matchmarks on the rear disc and the axle hub.
      Fig 8: Identifying Matchmarks On Rear Disc And Axle Hub
      G05131099Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Release the parking brake, and remove the rear disc.

    HINT:

    If the disc cannot be removed easily, turn and press firmly the shoe adjuster until the wheel comes free.

    Fig 9: Releasing Parking Brake
    G04978420Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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