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

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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 

Vehicles with 2.0L Gasoline Engine and Turbocharger

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-- Remove the engine cover upward from the attaching points -arrows-. Refer to ENGINE COVER (CNLA, CRJA) , ENGINE COVER (CVCA, CUUA, CUUB, DELA, DEBA, DEJA, DGMA) and ENGINE COVER (CPLA, CPPA, CPKA, CPRA) .

-- Open the clamp and remove the air guide hose from the air filter. Refer to AIR FILTER (CNLA, CRJA) , AIR FILTER (CZCA, CZDA, CZTA) , AIR FILTER (CBPA, CKJA) and AIR FILTER (CPLA, CPPA, CPKA, CPRA) .

-- Press the release button to remove the air duct hose -1-.

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-- Remove the air duct hose -1- and move it to the side.

-- Remove the air duct pipe bolt -arrow-.

-- Remove the air duct pipe; to do this, loosen the hose clamp -2-.

-- Remove the intake hose between the intermediate pipe and the turbocharger.

-- Seal the turbocharger with the :VAS6122  .

Vehicles With 1.4L Gasoline Engine, Turbocharger And Compressor: 

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-- Remove the engine cover -arrow A- and the heat shield -arrow B-. Refer to ENGINE COVER (CNLA, CRJA) , ENGINE COVER (CVCA, CUUA, CUUB, DELA, DEBA, DEJA, DGMA) and ENGINE COVER (CPLA, CPPA, CPKA, CPRA) .

-- Remove the pressure pipe with the regulating flap control unit -2-. Refer to INTAKE MANIFOLD (CNLA, CRJA) , INTAKE MANIFOLD (CZCA, CZDA, CZTA) , INTAKE MANIFOLD (CBPA, CKJA) , INTAKE MANIFOLD (CPLA, CPPA, CPKA, CPRA) .

-- Remove the charge air pipe -1-. Refer to CHARGE AIR SYSTEM (CNLA, CRJA) , CHARGE AIR SYSTEM (CVCA, CUUA, CUUB, DELA, DEBA, DEJA, DGMA) , CHARGE AIR SYSTEM (CPLA, CPPA, CPKA, CPRA) and CHARGE AIR SYSTEM (CZCA, CZDA, CZTA) .

Continuation For All Vehicles 

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-- 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 -arrow-.

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-- Insert the :VAG1869/2  .

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-- Remove front left caps -1-.

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-- Remove rear left caps -1-.

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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.

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-- Open the breather valve.

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

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-- 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-.

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-- 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.

-- Remove the bracket in the vehicle from the hydraulic unit -arrows- (only on engines with too little clearance between the cross panel and engine).

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