Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Hydraulic Unit With Control Module, Removing And Installing: Removing
The DTC memory must be read with the Vehicle Diagnostic Tester before removing.
-- Connect the Vehicle Diagnostic Tester to the vehicle data link connector with the ignition switched off.
Switch the ignition on.
DTC memory interrogated, errors shown corrected and DTC memory erased.
-- Start the program "Replace steering column" in Guided Functions.
-- Turn off the ignition.
-- Insert the Brake Pedal Actuator VAG 1869/2 between the brake pedal and driver seat. Press the brake pedal 60 mm.
-- Raise the vehicle.
-- Connect the bleeder bottle hose to the bleeder screws on the left front and left rear brake calipers and then open the bleed screw.
-- Close the left front and left rear bleed screw.
-- Lower vehicle.
-- Do not remove the Brake Pedal Actuator VAG 1869/2.
-- Remove the coolant reservoir bolts.
-- Remove the coolant reservoir with the attached coolant hoses upward from the bracket.
-- Disconnect the connector from the coolant reservoir.
-- Tie to the side the coolant reservoir with attached hoses.
-- To protect against escaping brake fluid, place a lint-free rag in the area under the control module and hydraulic unit.
-- Mark the brake lines.
-- Remove the brake lines from the mounts.
-- Remove all brake lines form the hydraulic unit -2-.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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