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Home >> Volkswagen >> 2021 >> Jetta R-Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Antilock Brake System (Service Information)) >> 45 Antilock Brake System >> Control Module And Hydraulic Unit >> Abs Control Module -J104- /Abs Hydraulic Unit -N55-, Removing And Installing >> Abs Control Module -J104- And Abs Hydraulic Unit -N55-, Removing And Installing, LHD With 5-Cylinder Gasoline Engine And Abs Mark 60 EC Abs/EDL/ASR/Esp >> Removing
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Abs Control Module -J104- And Abs Hydraulic Unit -N55-, Removing And Installing, LHD With 5-Cylinder Gasoline Engine And Abs Mark 60 EC Abs/EDL/ASR/Esp: Removing

WARNING: This page is about a different car, the 2018 Volkswagen Jetta, 2017 Volkswagen Jetta, 2016 Volkswagen Jetta, and 2015 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
GWWM45-10004Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Component Location:

The ABS Control Module -J104- is attached to the ABS Hydraulic Unit -N55- and is located inside the engine compartment on the right side.

  1. ABS Hydraulic Unit -N55- with ABS Control Module -J104-
  2. Brake Booster with Tandem Brake Master Cylinder
WARNING:

Do not bend the brake lines near the ABS Hydraulic Unit -N55- !

-- Retrieve the coding from the ABS Control Module -J104- and write it down.

Use the Vehicle Diagnostic Tester.

NOTE:

The battery ground cable must be disconnected for the following procedure. Check if a coded radio is installed. If necessary, obtain anti-theft code beforehand.

CAUTION:

Danger of causing damage to electronic components when disconnecting the battery.

  • Follow the steps for disconnecting the battery.

-- Open clamp -2- and disconnect intake hose.

GWWM24-0511Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- If equipped, disconnect the connector -1- and remove.

-- Remove the bolts -3- and the intake hose.

-- Pull the engine with a jerk out of the fasteners first at the front -arrow 1-, then at the right rear -arrow 2- and finally at the left rear -arrow 3-.

GWWM24-0512Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Carefully swivel engine cover out of rear area.

GWWM45-0234Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- If equipped, remove the nut -1- and remove the heat shield -2-.

-- Disconnect and remove the connector from the ABS Control Module -J104- in -direction of the arrow-.

GWWM45-0235Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

GWWA44-0007Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove front left caps -1-.

GWWN01-10746Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove rear left caps -1-.

GWWN01-10747Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Use a suitable bleeder hose

It must fit tightly on the bleeder valve so that no air can get into the brake system

-- Attach the bleeder bottle bleed hose -1- to the left front brake caliper breather valve.

GWWM46-10052Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the breather valve.

-- Attach the bleeder bottle bleed hose -1- to the left rear brake caliper breather valve.

GWWM46-10039Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the breather valve.

-- Push the brake pedal at least 60 mm using the Brake Pedal Actuator :VAG1869/2  .

-- Close the left front and left rear bleeder valves.

Do not remove the Brake Pedal Actuator :VAG1869/2  .

-- Place enough lint-free cloths under the ABS Control Module -J104- and the ABS Hydraulic Unit -N55-.

Make sure no brake fluid gets on the contacts

-- First label both brake lines from the brake master cylinder -A- and -B-.

GWWM45-0236Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the brake lines -A- and -B- from the ABS Hydraulic Unit -N55-.

-- Seal the threaded hole immediately with plugs from the assembly repair kit.

-- Close brake lines immediately using Sealing Plugs or with suitable plugs from the Engine Bung Set :VAS6122  .

-- Label brake lines -1- through -4- and then remove them.

-- Seal the threaded hole immediately with plugs from the assembly repair kit.

-- Close brake lines immediately using Sealing Plugs or with suitable plugs from the Engine Bung Set :VAS6122  .

-- Remove the hex fitting bolt from the bracket -arrow-.

-- Remove the ABS Hydraulic Unit -N55- with the ABS Control Module -J104- and the bracket sideways in -direction of the arrow- from the rubber bushings on the bracket.

-- Turn the ABS Hydraulic Unit -N55- with the ABS Control Module -J104- upside down.

-- Unscrew and remove the bracket -item  ) OVERVIEW - ABS MARK 60 EC (ABS/EDL/ASR/ESP)- from the ABS Hydraulic Unit -N55- inside the engine compartment.

-- Remove the ABS Hydraulic Unit -N55- with the ABS Control Module -J104-.