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: Notes
Special tools and workshop equipment required
- Vehicle Diagnostic Tester
- Brake Pedal Actuator VAG 1869/2.
- Sealing plug repair set, part no. 1H0 698, 311A
The hydraulic unit -2- with the control module -3- and electric connection -1- is inside the engine compartment, in the front and on the left side under the coolant reservoir.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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