Bleeding Brake System

This procedure should be used to insure adequate bleeding and filling of ABS unit, brake lines, master cylinder.

Remove the reservoir cap and fill the brake reservoir with brake fluid.
CAUTION: Do not allow brake fluid remain on a painted surface. Wash it off immediately.

Fig 1: View Of Brake Fluid Reservoir

NOTE: When bleeding by pressured fluid, do not depress the brake pedal.
Recommended fluid.....DOT3 or equivalent
Connect the clear plastic tube to the wheel cylinder bleeder plug and insert the other end of tube in a half filled clear plastic bottle.

Fig 2: Connecting Plastic Hose To Brake Bleeder
Connect Scan tool to Data Link Connector located underneath the dash panel.

Fig 3: Connecting Scan Tool To Data Link Connector
Select and operate according to the instruction on the Scan tool screen.
CAUTION: You have to obey maximum operating time (60sec) of ABS motor with Scan tool to prevent motor pump burnt.

Fig 4: Selecting Hyundai Vehicle Diagnosis
1. Select hyundai vehicle diagnosis.
2. Select SONATA.
  
  Fig 5: Selecting Sonata
3. Select Anti-Lock brake system.
  
  Fig 6: Selecting Anti-Lock brake system
4. Select air bleeding mode.
  
  Fig 7: Selecting Air Bleeding Mode
5. Press 'YES' to operate motor pump and solenoid valve.
  
  Fig 8: Selecting 'YES' To Operate Motor Pump & Solenoid Valve
6. 'ON' and 'OFF' controls are automatically performed to prevent the motor pump from being burnt.
  (If not, you may damage the motor)
  
  Fig 9: Identifying 'ON' & 'OFF' Control Screen
Pump the brake pedal several times, and then loosen the bleeder screw until fluid starts to run out without bubbles.
Then close the bleeder screw.
Repeat the step 5. until there are no more bubbles in the fluid for each wheel in the sequence shown in the illustration.
Tighten the bleeder screw.
Bleeder screw tightening torque:
1. 7-13 Nm (70-130 kg.cm, 5-9.6 lb.ft)
  
  Fig 10: Brake Bleeding Sequence