Brake System

Master Cylinder Repair Procedures

9steps
~54min
2/5difficulty
0102030405022.617N·mlb·ft
Tightening torque found on this page
Done 0 of 9

Removal

  1. Turn the ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the air cleaner assembly (A).
  3. Disconnect the brake fluid level switch connector (A).
  4. Remove the brake fluid from the master cylinder reservoir using a syringe.
  5. Disconnect the brake tube (A) from the master cylinder by loosening the tube flare nut.

    Tightening Torque: 18.6 ~ 23 N·m

  6. Remove the master cylinder (B) from the brake booster after first loosening the mounting nuts (A).

    Tightening torque: 9.8 ~ 15.6 N·m

  7. Loosen the screw and remove the reservoir.

Installation

  1. Installation is the reverse of removal.
  2. After installation, bleed the brake system. (Refer to Brake System - "Brake System Bleeding") (Refer to ESP (Electronic Stability Control) System - "ESP System Bleeding")

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.