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

Fig 1: Hand Tightening Union Bolts

Courtesy of AUDI OF AMERICA, LLC

Install in the reverse order of removal while noting the following:

-- If necessary, install the hydraulic control unit bracket.

-- Insert the hydraulic control unit just far enough into the vehicle in order to connect the connector -3-.

-- Carefully push the hydraulic control unit -1- into the pins -arrows-.

Fig 2: Identifying The Pins For Attaching The Hydraulic Control Module

Courtesy of AUDI OF AMERICA, LLC

-- Remove the plug.

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

Fig 3: Hand Tightening Union Bolts

Courtesy of AUDI OF AMERICA, LLC

-- After securing the brake lines to the hydraulic unit select the "Hydraulic connections, basic setting" program. Refer to DIAGNOSTIC ENTRIES .

-- Remove the Brake Pedal Actuator:V.A.G 1869/2 .

-- Remove all cloths from the vehicle that were previously placed down.

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

-- Complete the "Control module, replacing" program after replacing the hydraulic control unit using the Vehicle Diagnostic tester .

CAUTION:

Faulty brakes increase the risk of an accident.

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