ABS Control Module -J104- /ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING: Installing

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Install in reverse order of removal and note the following:

-- Carefully press the hydraulic control unit -2- in the pins -arrows- on the bracket -1-.

The hydraulic control module must rest in all pins.

-- Insert the brake lines -1 and 2- in the ABS Hydraulic Unit -N55- install the union bolts by hand and tighten.

Courtesy of AUDI OF AMERICA, LLC

-- Connect the connector -3-.

-- After securing the brake lines to the hydraulic unit, perform output diagnostic test mode. Refer to Vehicle Diagnostic Tester.

NOTE:

It can be determined in output diagnostic test mode, whether the line connections were interchanged.

-- Install the Engine Control Module -J623-. Refer to the appropriate Service Information .

-- Remove the Brake Pedal Actuator: VAG1869/2 .

-- Bleed the brake system. Refer to HYDRAULIC SYSTEM, BLEEDING .

-- If the ABS Control Module -J104- /ABS Hydraulic Unit -N55- is being replaced, select the "Replace" function for the ABS Control Module -J104- /ABS Hydraulic Unit -N55-. Refer to Vehicle Diagnostic Tester, Guided Functions .

WARNING:

Risk of accident!

Make sure the brakes are working correctly before driving the vehicle for the first time.