Abs Control Module -J104-/ Abs Hydraulic Unit -N55-, Removing And Installing, LHD: Removing

ABS Control Module -J104- -1- will be called control module in the information that follows.

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ABS Hydraulic Unit -N55- -2- will be called hydraulic unit in the information that follows.

Vehicles with heat pump valve unit

-- Remove the heat pump valve unit. Refer to Heat Pump Valve Unit, Removing and Installing .

Continuation for all vehicles

-- Disconnect the battery. Refer to Battery, Disconnecting and Connecting .

-- Push the slide lock in the -direction of the arrow A-.

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-- Release the connector -1- in -direction of the arrow B-.

-- Disconnect the connector -1-.

-- Insert the Brake Pedal Actuator :V.A.G 1869/2 .

Fig 1: Identifying Brake Pedal Actuator

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

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-- Open the breather valve.

-- Attach the second bleeder bottle bleed hose to the left rear brake cylinder bleeder valve -1-.

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-- Open the breather valve.

-- Push the brake pedal at least 60 mm using the Brake Pedal Actuator :V.A.G 1869/2 .

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

-- Do not remove the Brake Pedal Actuator :V.A.G 1869/2 .

CAUTION:

There is a risk of damaging the brake lines by bending.

- Do not bend the brake line in the area of the hydraulic unit.

-- Unclip the brake lines from the bulkhead.

CAUTION:

There is risk of damage caused by corrosion.

- Make sure no brake fluid gets on the contacts.

- Place sufficient lint-free cleaning cloths in the area of the connectors.

-- Mark both brake lines -5- and -6- and disconnect them from the hydraulic unit.

Fig 2: Brake Line Tightening Sequence

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-- Close the threaded holes with the plugs.

-- Mark the brake lines (brake calipers/brake cylinders) -1- through -4-, remove and then close the threaded holes.

-- Seal the brake lines with the Engine Bung Set :VAS 6122 .

Tip

Or place the dust caps for the bleeder valves on the brake lines.

-- Pull the hydraulic unit and control module -1- together with the bracket -3- and rubber bushings -4- in the -direction of the arrow-.

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