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HOMESERVICE MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 154 (CONVENTIONAL BRAKE COMPONENTS)MASTER CYLINDER REPLACEMENT
2002 Honda Civic Si

Master Cylinder Replacement

2002 Honda Civic SiSECTION Master Cylinder Replacement
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid gets on the paint, wash it off immediately with water.
  1. Remove the air cleaner and air duct (see AIR CLEANER REMOVAL/INSTALLATION ).
  2. Disconnect the brake fluid level switch connector (A), and remove the reservoir cap.
    Fig 1: Disconnecting Brake Fluid Level Switch Connector
    G03705569Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove the brake fluid from the master cylinder reservoir (B) with a syringe.
  4. Disconnect the brake lines (C) from the master cylinder. To prevent spills, cover the hose joints with rags or shop towels.
  5. Remove the master cylinder mounting nuts (D).
  6. Remove the master cylinder (E) from the brake booster (F). Be careful not to bend or damage the brake lines when removing the master cylinder.
  7. Install the master cylinder in the reverse order of removal, and note these items:
    • Use a new O-ring on reassembly.
    • Coat the inner bore lip and the new O-ring with clean brake fluid.
    • If the master cylinder is replaced with a new one, check the brake booster pushrod clearance before installing it (see BRAKE BOOSTER PUSHROD CLEARANCE ADJUSTMENT  ).
  8. Bleed the brake system (see BRAKE SYSTEM BLEEDING  ).
  9. Spin the wheels to check for brake drag.
RENDER: 1.0x

NO RELATED

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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.