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Home >> Acura >> 2009 >> CSX Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Conventional Brake Components) >> Master Cylinder Replacement

Master Cylinder Replacement

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. 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
  • Be careful not to damage or deform the brake lines during removal and installation
  • After removal, plug the ends of the hoses and the joints to prevent spilling brake fluid
  1. Remove the engine covers (A) in the engine compartment (see ENGINE COMPARTMENT COVER REPLACEMENT )
    Fig 1: Identifying Engine Covers
    G05987913Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Remove the strut brace (see FRAME BRACE REPLACEMENT )
  3. Remove the under-hood fuse/relay box mount nut (A) and release the clip (B)
    Fig 2: Under-Hood Fuse, Relay Box Mount Nut And Clip With Torque Specifications
    G05987914Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Remove the harness clamp (C), then move the under-hood fuse/relay box (D) aside
  5. Remove the reservoir cap and the brake fluid from the master cylinder reservoir with a syringe
  6. Disconnect the brake fluid level switch connector (A)
    Fig 3: Under-Hood Fuse, Relay Box And Harness Clamp With Torque Specifications
    G05987915Courtesy 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 clean rags or shop towels
  8. Remove the master cylinder mounting nuts (D) and the washers (E)
  9. Remove the master cylinder from the brake booster (F) Be careful not to bend or damage the brake lines when removing the master cylinder
  10. Remove the rod seal (G) from the master cylinder
    NOTE: During installation, set a new rod seal onto the master cylinder with its grooved side (H) toward the master cylinder
  11. Install the master cylinder in the reverse order of removal, and note these items
    • Coat the inner bore lip and the outer circumference of the new rod seal with the Shin-Etsu silicone grease (P/N 08798-9013)
    • Make sure not to get any silicone grease on the terminal part of the connectors and switches, especially if you have silicone grease on your hands or gloves
    • 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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