Sequence - start from the wheel furthest from the pump - rear right, rear left, front right front left. If fluid has escaped from the ABS pump, it may be necessary to lift the car and run the venting procedure for the ABS pump from the VCDS level. And below the instructions on venting the system from ABS
Front wheels
1. Switch off the ignition and press the brake pedal about 20x to release the ABS adjustment pressure
2. fill the tank to the top edge
3. Place a transparent tube on the bleed valve of the right front wheel brake. The other end of the cable must be
immersed in a vessel with brake fluid
4. Have a second person pump the brake pedal until the system creates back pressure. Hold the pedal and unscrew it
vent valve . When the pedal resistance stops, close the valve. Repeat the pedaling and draining operations
brake fluid until the air bubbles stop showing in the hose
5. Close the valve and fill the tank with liquid
6. Bleed the other front wheel in the same way
Rear wheels
1. Switch off the ignition and press the brake pedal about 20x to release the ABS adjustment pressure
2. depress and hold the brake pedal
3. Turn on the ignition, put on the hose and unscrew the bleed valve of the right brake, close the valve only when the air bubbles stop showing in the hose.
The ABS pump cannot run for more than 120 seconds, take a 10 minute break to cool the pump
4. Turn the ignition off and prepare a second brake for bleeding
5. Bleed the 2-wheel brake in the same way
6. Turn on the ignition and wait for the ABS pump to turn itself off
7. Top up the brake fluid up to the MAX mark