Brake Master Cylinder Replacement
  1. Disconnect the brake fluid level switch connector (A).
  1. Disconnect the brake lines (B) from the master cylinder (C). To prevent spills, cover the hose joints with rags or shop towels.
  1. Remove the master cylinder mounting nuts (D) and the washers (E).
  1. Remove the master cylinder from the brake booster (F). Be careful not to bend or damage the brake lines when removing the master cylinder.
  1. Remove the rod seal (G) from the master cylinder.
    NOTE: During installation, set the new rod seal onto the master cylinder with its grooved side (H) toward the master cylinder.
  1. 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 silicone grease in the master cylinder set.
    • When you apply the silicone grease, make sure not to adhere to the terminal part of connectors and surrounding switches. Also do not touch the switches and the terminal part of connector by hands or glove that adheres the silicone grease.
    • Check the brake pedal height and free play after installing the master cylinder, and adjust it if necessary.
  1. LHD model: Install the under-hood fuse/relay box.
  1. Install the strut brace.
  1. Bleed the brake system.
  1. Spin the wheels to check for brake drag.