Abs Control Module -J104- And Abs Hydraulic Unit -N55-, Removing And Installing, With 4-Cylinder Diesel Engine And Abs Mark 60 EC Abs/EDL/ASR/Esp: Removing

Courtesy 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

Use the Vehicle Diagnostic Tester.

• Chassis 
• Brake System 
• Anti-Lock Braking System ABS/EDL/ASR/ESP Mark 60 EC 
• Function 
• Check ABS Control Module J104 coding 

-- Remove the noise insulation. Refer to NOISE INSULATION .

-- Remove engine cover near -arrows-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Observe the given sequence -1 through 4-.

-- Reach as far as possible under the engine cover.

-- Remove the nuts -arrows- and then remove the heat shield -1- from the diesel particulate filter.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the clips -arrows- and remove the upper toothed belt cover.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Release and remove connectors -1 through 3-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the particulate filter bracket bolts -1-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Loosen the clamps and remove the hoses from the particulate filter. Refer to EMISSIONS CONTROL (CPLA, CPPA, CPKA, CPRA) , EMISSIONS CONTROL (CBPA, CKJA) , EMISSIONS CONTROL SYSTEM (CVCA, CUUA, CUUB, DELA, DEBA, DEJA, DGMA) and EMISSIONS CONTROL SYSTEM (CNLA, CRJA) .

-- Raise the vehicle.

-- Loosen the clamp -1- for the turbocharger/particulate filter connection and remove it.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Vehicles With Absorption Catalytic Converter 

-- Disconnect the exhaust system between the particulate filter and the absorption catalytic converter. Refer to EMISSIONS CONTROL (CPLA, CPPA, CPKA, CPRA) , EMISSIONS CONTROL (CBPA, CKJA) , EMISSIONS CONTROL SYSTEM (CVCA, CUUA, CUUB, DELA, DEBA, DEJA, DGMA) and EMISSIONS CONTROL SYSTEM (CNLA, CRJA) .

-- Disconnect the exhaust system after the absorption catalytic converter. Refer to EMISSIONS CONTROL (CPLA, CPPA, CPKA, CPRA) , EMISSIONS CONTROL (CBPA, CKJA) , EMISSIONS CONTROL SYSTEM (CVCA, CUUA, CUUB, DELA, DEBA, DEJA, DGMA) and EMISSIONS CONTROL SYSTEM (CNLA, CRJA) .

Continuation for All Vehicles:

-- If equipped, remove the EGR pipe from the particulate filter. Refer to EMISSIONS CONTROL (CPLA, CPPA, CPKA, CPRA) , EMISSIONS CONTROL (CBPA, CKJA) , EMISSIONS CONTROL SYSTEM (CVCA, CUUA, CUUB, DELA, DEBA, DEJA, DGMA) and EMISSIONS CONTROL SYSTEM (CNLA, CRJA) .

-- Disconnect the exhaust system. Refer to EMISSIONS CONTROL (CPLA, CPPA, CPKA, CPRA) , EMISSIONS CONTROL (CBPA, CKJA) , EMISSIONS CONTROL SYSTEM (CVCA, CUUA, CUUB, DELA, DEBA, DEJA, DGMA) and EMISSIONS CONTROL SYSTEM (CNLA, CRJA) .

-- Remove the exhaust system bracket from the subframe -arrows-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolts -1- and remove the drive shaft cover -2-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the right drive axle form the flange, lay it down and secure it. Refer to DRIVE AXLE .

-- Remove the nuts -1-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the nuts -2- using the :T10384  .

-- Remove bracket for particulate filter -3-.

-- Seal all openings using the :VAS6122  .

-- Lower the particulate filter just enough so that it touches the steering gear.

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

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Insert the :VAG1869/2  .

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove front left caps -1-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove rear left caps -1-.

Courtesy 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.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the breather valve.

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

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the breather valve.

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

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

Do not remove the :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-.

Courtesy 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 :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 :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 -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-.