Place the front of the car on jack stands.
Check the brake fluid level in the reservoir. If necessary, top up the fluid to the "Max" mark.
Remove the dust boots from the air release valve at the clutch drive hydraulic cylinder and at the left front brake caliper.
Carefully check the operation of the air release valve.
Attach the clear hose to the brake caliper bleeder valve.
Fill the hose with brake fluid. To do this, slightly unscrew the valve screw. Slowly press the brake pedal and fix it in this position. Close the valve and release the pedal. After that, open the valve again and press the pedal again. Continue the process until the hose is filled with brake fluid. Clamp the hose with your fingers so that the liquid does not leak.
Caution: Do not allow the brake fluid level in the reservoir to drop significantly. If necessary, top up the fluid. Place the free end of the hose on the air bleed screw on the clutch hydraulic cylinder and open both screws to bleed air.
Press the brake pedal. Close the valve on the brake caliper and release the pedal. Continue this process until the bubbles in the brake fluid equalizing tank disappear. Constantly add new brake fluid.
Close the valve on the brake caliper and clutch hydraulic cylinder. Remove the hose and put on the dust boots.
Remove the car from the jackstand.
Add brake fluid up to the "Max" mark.
Check the clutch and brake system.
(This publication is borrowed from the resource «AudiManual»)