Abs Control Module And Abs Hydraulic Unit, Removing And Installing, RHD: Removing

CAUTION:

Risk of destroying the brake lines by bending.

- Never forcefully bend the brake lines in the hydraulic unit area.

-- If the ABS Control Module -J104- is replace perform the 0003 - Control Module, Replacing (Starting) function. Use the Vehicle Diagnostic Tester to do so.

Vehicles with 12 V engine compartment battery

-- Remove the battery. Refer to BATTERY, REMOVING AND INSTALLING .

-- Remove the battery tray. Refer to BATTERY TRAY, REMOVING AND INSTALLING .

Vehicles with 12 V luggage compartment battery

-- Remove the air filter support. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

Hybrid vehicles

-- Observe the safety precautions when working on the high-voltage system. Refer to SAFETY PRECAUTIONS WHEN WORKING ON THE HIGH-VOLTAGE SYSTEM .

-- Pay attention to the high-voltage system danger classification. Refer to the appropriate Service Information .

CAUTION:

Extremely dangerous due to high-voltage.

Electrocution can cause death or very serious personal injury.

- Have the high-voltage system de-energized by a qualified person.

-- Switch off the high-voltage system. Refer to the appropriate Service Information .

-- Disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

Continuation for All Vehicles:

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-- Press the locking mechanism downward -arrow A-.

-- Release the connector -arrow B-.

-- Remove the connector -1-.

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

Fig 1: Identifying Brake Pedal Actuator

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

Fig 2: Identifying Bleed Valve

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-- Open the breather valve.

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

Fig 3: Identifying V. A. G 1869/2

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-- 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-.

CAUTION:

Make sure that none of the brake fluid gets onto the electrical contacts on the ABS Control Module -J104-.

-- Unclip the brake lines from the bulkhead.

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

Fig 4: Brake Line Tightening Sequence

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

-- Seal the threaded holes immediately with the Plugs 5Q0 698 311.

-- Label the remaining brake lines (brake caliper) and remove. Seal the threaded holes -2-.

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-- Remove the ABS Hydraulic Unit -N55- -1- together with the bracket -2- in the -direction of the arrow-.

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-- This will remove the rubber buffers -arrows- from the bracket stud bolts -3- at the same time.

-- Guide out the hydraulic unit from the vehicle.