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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Service Information) >> FRONT BRAKE PAD, BRAKE CALIPER & BRAKE ROTOR (for 4GR-FSE) >> Disassembly

FRONT BRAKE PAD, BRAKE CALIPER & BRAKE ROTOR (for 4GR-FSE): Disassembly

  1. REMOVE DISC BRAKE PADS WITH ANTI-SQUEAL SHIMS 
    1. Remove the 2 brake pads with anti-squeal shims.
  2. REMOVE ANTI-SQUEAL SHIMS AND PAD WEAR INDICATOR PLATES 
    1. Remove the 2 anti-squeal shims and the 2 pad wear indicator plates from each pad.
  3. REMOVE NO. 1 FRONT DISC BRAKE PAD SUPPORT PLATE 
    1. Remove the 2 No. 1 front disc brake pad support plates.
  4. REMOVE NO. 2 FRONT DISC BRAKE PAD SUPPORT PLATE 
    1. Remove the 2 No. 2 front disc brake pad support plates.
  5. REMOVE FRONT DISC BRAKE CYLINDER SLIDE PIN 
    1. Remove the cylinder slide pin from the cylinder mounting LH.
  6. REMOVE FRONT DISC BRAKE CYLINDER SLIDE BUSHING 
    1. Using a screwdriver, remove the cylinder slide bush from the cylinder slide pin.

      HINT:

      Tape the screwdriver tip before use.

  7. REMOVE NO. 2 FRONT DISC BRAKE CYLINDER SLIDE PIN 
    1. Remove the cylinder slide pin No. 2 from the cylinder mounting LH.
  8. REMOVE FRONT DISC BRAKE CYLINDER MOUNTING 
    1. Remove the 2 bolts and cylinder mounting.
    2. Remove the 2 caliper plates No. 1 from the cylinder mounting.
  9. REMOVE FRONT DISC BRAKE BUSHING DUST BOOT 
    1. Secure the cylinder mounting LH in a vise.
    2. Using a screwdriver and a plastic hammer, remove the 2 bushing dust boots.
      Fig 1: Removing Front Disc Brake Bushing Dust Boot
      G05830896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE CYLINDER BOOT 
    1. Using a screwdriver, remove the set ring or cylinder boot.
      NOTE: Do not damage the inner cylinder or cylinder groove.

      HINT:

      Tape the screwdriver tip before use.

      Fig 2: Removing Cylinder Boot
      G05830897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE FRONT DISC BRAKE PISTON 
    1. Place a piece of cloth between the piston and the disc brake cylinder assembly.
    2. Use compressed air to remove the piston from the disc brake cylinder assembly.
      CAUTION: Do not place your fingers in front of the piston when using compressed air.
      NOTE: Do not spatter the brake fluid.
      Fig 3: Removing Front Disc Brake Piston
      G05830898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE PISTON SEAL 
    1. Using a screwdriver, remove the piston seal from the disc brake cylinder assembly.
      NOTE: Do not damage the inner cylinder or cylinder groove.

      HINT:

      Tape the screwdriver tip before use.

      Fig 4: Removing Piston Seal
      G05830899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE FRONT DISC BRAKE BLEEDER PLUG CAP 
  14. REMOVE FRONT DISC BRAKE BLEEDER PLUG 
  15. REMOVE FRONT DISC 
    1. Put matchmarks on the disc and the axle hub.
    2. Remove the front disc.
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