ABS Bleeding. This procedure must be performed to ensure proper air bleeding and to fill the ESC unit, brake lines, and master cylinder with brake fluid.
Remove the reservoir cap and fill the reservoir with brake fluid.
If brake fluid gets on any painted surface, wipe it off immediately.
Do not depress the brake pedal when releasing pressure.
Recommended fluid........ DOT3 or DOT4
Connect a clear plastic tube to the bleeder valve of the wheel cylinder. Insert the other end of the tube into a clear plastic bottle half filled with brake fluid.
Connect the GDS to the Data Link Connector (DLC) located under the instrument panel.
Select and follow the instructions on the GDS screen.
Observe the maximum operating time of the ESC motor with the GDS to prevent the motor pump from burning out.
Select the vehicle model name.
Select the ABS/ESC system.
Select the HCU air bleeding mode.
Depress the brake pedal several times, then loosen the bleeder screw until fluid flows out without bubbles. Then close the bleeder screw (A). [Front][Rear Disc Brake][Rear Drum Brake]
Repeat the procedure for each wheel in the sequence shown below until no air bubbles appear in the fluid.
Fill the master cylinder reservoir to the MAX (upper) level mark.
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Test yourself
A quick Hyundai Elantra AD quiz: every answer comes with an explanation and a link to the manual page.
