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Home >> Volkswagen >> 2021 >> Golf Standard Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Antilock Brake System >> 45 Antilock Brake System >> Control Module And Hydraulic Unit >> ABS Control Module -J104- /ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING >> Abs Control Module And Abs Hydraulic Unit, Gasoline Engine, Removing And Installing >> Installing
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Abs Control Module And Abs Hydraulic Unit, Gasoline Engine, Removing And Installing: Installing

Install in reverse order of removal. Note the following:

NOTE:

Remove the plugs on the new ABS Hydraulic Unit -N55- only when installing the corresponding brake line.

Brake fluid will leak out if the plugs are removed too early from the ABS Hydraulic Unit -N55-. The system will then not have sufficient brake fluid and will not adequately bled.

Pay attention when installing the ABS Hydraulic Unit -N55- that the rubber bushings are not pushed out of the console.

-- Before assembling the holder for the ABS Hydraulic Unit -N55- in the bracket, spray the rubber bushings with Silicone Lubricant Spray: D 007 000 A2  .

-- Install the brake lines carefully with the : VAG1410/8  .

Fig 1: Identifying Torque Wrench - Assembly Tool
GWWW00-11660Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Tightening Sequence 

Fig 2: Brake Lines, Attaching To Hydraulic Unit Sequence
GWWN45-10263Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the : VAG1869/2  .

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

-- Enter radio code.

-- Code ABS Control Module -J104- using the Vehicle Diagnostic Tester in "Guided Fault Finding"  .

A Steering Angle Sensor -G85-, Transverse Acceleration Sensor -G200-, Longitudinal Acceleration Sensor -G251- and Brake Pressure Sensor 1 -G201- basic setting must be done.