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Home >> Acura >> 2005 >> TSX Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Conventional Brake Components >> Master Cylinder Replacement

Master Cylinder Replacement

NOTE:
  • Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.
  • Be careful not to damage or deform the brake lines during removal and installation.
  • To prevent the brake fluid from flowing, plug and cover the hose ends and joints with a shop towel or equivalent.
  1. Remove the cable clamps from the body.
    Fig 1: Cable Clamps With Torque Specification
    G05492101Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Remove the access panels (A), then remove the front strut brace (B).
    Fig 2: Access Panels And Front Strut Brace With Torque Specifications
    G05492102Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove the accelerator position sensor mounting bolt (C) from the strut brace.
  4. Remove the reservoir cap and brake fluid from the master cylinder reservoir with a syringe.
  5. Remove the primary and secondary brake lines (A) from the hose clamp (B).
    Fig 3: Identifying Primary And Secondary Brake Lines And Hose Clamp
    G05492103Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Disconnect the brake fluid level switch connector (A).
    Fig 4: Brake Fluid Level Switch Connector With Torque Specifications
    G05492104Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Disconnect the brake lines (B) from the master cylinder (C). To prevent spills, cover the hose joints with rags or shop towels.
  8. Remove the master cylinder mounting nuts (D) and washers.
  9. Remove the master cylinder from the brake booster (E). Be careful not to bend or damage the brake lines when removing the master cylinder.
  10. Remove the rod seal (F) from the master cylinder, or brake booster.
  11. Install the master cylinder in the reverse order of removal, and note these items:
    • Replace all the rubber parts with new ones whenever the master cylinder is removed.
    • Use a new rod seal on reassembly.
    • Coat the inner bore lip and outer circumference of the new rod seal with the Shin-Etsu silicone grease (P/N 08798-9013).
    • Install the rod seal onto the master cylinder with its grooved side (G) toward the master cylinder.
    • Check the brake pedal height and free play after installing the master cylinder, and adjust it if necessary (see BRAKE PEDAL AND BRAKE PEDAL POSITION SWITCH ADJUSTMENT  ).
  12. Bleed the brake system (see BRAKE SYSTEM BLEEDING  ).
  13. Spin the wheels to check for brake drag.
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