2004 Toyota Matrix Base, 4WDFACTORY OEM SERVICE PROCEDURE

Front Brake: Overhaul

HINT: Overhaul the RH side by the same procedure as the LH side.

  1. REMOVE FRONT WHEEL 
  2. DRAIN BRAKE FLUID 
    NOTE: Wash the brake fluid off immediately if it comes into contact with any painted surface.
  3. REMOVE FRONT DISC BRAKE CYLINDER SUB-ASSY 
    1. Remove the union bolt and gasket from the disc brake cylinder, then disconnect the flexible hose.

      HINT: Gasket has 2 types: 2-piece type and 1-piece type.

      Fig 1: Disconnecting Flexible Hose
      G02633964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Hold the cylinder slide pin and remove the 2 bolts.
      Fig 2: Removing Bolts
      G02633965Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE DISC BRAKE PAD KIT FRONT (PAD ONLY) 
    1. Remove the 2 brake pads with anti-squeal shims.
    2. Remove the anti-squeal shim No.1 and anti-squeal shim No.2 from each pad.
    3. Remove the pad wear indicator plates from each pad.
  5. REMOVE FRONT DISC BRAKE PAD SUPPORT PLATE 
    1. Remove the 2 front disc brake pad support plates from the cylinder mounting.
  6. REMOVE FRONT DISC BRAKE CYLINDER SLIDE PIN 
    1. Remove the 2 cylinder slide pins from the disc brake cylinder mounting.
  7. REMOVE FRONT DISC BRAKE CYLINDER MOUNTING LH 
    1. Remove the 2 bolts and disc brake cylinder mounting.
      Fig 3: Removing Front Disc Brake Cylinder Mounting LH
      G02633966Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE FRONT DISC BRAKE BUSH DUST BOOT 
    1. Place front disc brake cylinder mounting in vise.
    2. Using a screwdriver and hammer, remove the 2 bush dust boots from the disc brake cylinder mounting.
      Fig 4: Removing Front Disc Brake Bush Dust Boot
      G02633967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE CYLINDER BOOT 
    1. Using a screwdriver, remove the set ring and cylinder boot.
      Fig 5: Removing Cylinder Boot
      G02633968Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FRONT DISC BRAKE PISTON 
    1. Place a piece of cloth or similar, between the piston and the disc brake cylinder.
    2. Use compressed air to remove the piston from the disc brake cylinder.
    CAUTION: Do not place your fingers in front of the piston when using compressed air.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.