Checking the technical condition
1. Disconnect the front (C) and rear (B) brake hoses from the brake master cylinder (A).
2. Connect two pressure gauges (D) to the terminals of the master brake cylinder.
Note: Make sure there is pressure in the brake system after connecting the pressure gauges.
3. Press the brake pedal and measure the pressure supplied to the front and rear brake mechanisms. If the measured values are within the range indicated in the diagram below, the brake force distributor is in good condition.
4. Connect the brake hoses and bleed the system to remove air from it.
[The original source of the article is the website: hyundaibook]