BLEEDING WITH ABS Hydraulic Unit -N55- PUMP

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If the brake system cannot be bled correctly, proceed as follows after bleeding:

Refer to HYDRAULIC SYSTEM, BLEEDING WITH BRAKE CHARGER/BLEEDING UNIT

Also:

NOTE:

The hydraulic pump must be activated by the interchange test.

-- Connect the Vehicle Diagnostic Tester.

-- Switch the ignition on.

-- Fill the brake fluid reservoir up to the "MAX" mark.

Fig 1: Brake Fluid Reservoir

Courtesy of AUDI OF AMERICA, LLC

-- Select and start OBD mode.

-- Select 003- Brake electronics .

-- Select the basic setting button.

-- Bleed the brakes.

-- Use login 40168.