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

Fig 1: Brake Pedal Depressor VAG 1869/2 Inserted Between Brake Pedal And Driver's Seat

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-- Insert the : VAG1869/2  between the brake pedal and driver seat. Press the brake pedal down at least 60 mm.

By doing this, the valves in the brake master cylinder are closed and the brake fluid reservoir does not run empty.

-- Remove the protective cap -3- from the bleed screw -1- on a front brake caliper.

Fig 2: Identifying Protective Cap, Bleed Screw And Container Bleeder Hose

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-- Connect the bleeder bottle hose -2-.

-- Open the bleed screw to reduce the pressure in the brake system.

-- Close the bleed screw and remove the bleeder bottle.

-- Repeat the procedure on a rear brake caliper.

• Do not remove the : VAG1869/2  .

-- Remove the plenum chamber cover. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .

-- To protect against escaping brake fluid, place enough lint-free cloths in the area below the hydraulic control unit.

-- Mark the brake lines for reinstallation.

-- Remove the brake lines -1 and 2- from the ABS Hydraulic Unit -N55- and free up if required.

Fig 3: Hand Tightening Union Bolts

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-- Seal the brake lines and threaded holes immediately with clean plugs from the : VAS6122  .

Make sure that no brake fluid enters the control module connector housing.

-- Release the connector -3- and disconnect from the control module.

-- Free up the wires.

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-- Remove the hydraulic control unit -2- carefully from the pins -arrows- on the bracket -1-.

-- Remove the bolt -arrow- and the bracket -1-.

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