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.
Control Module And Hydraulic Unit, With Abs Mark 70 (Abs/ASR)
Special tools and workshop equipment required
- Torque wrench V.A.G 1331
- Torque wrench V.A.G 1410
- Brake pedal actuator V.A.G 1869/2
- Vehicle diagnostic, test and information system VAS 5051
After separating the control module from the hydraulic unit, the transport protection for valve body must be placed on the hydraulic unit.
Warranties will not be granted for hydraulic units without transport protection.
1 - Transport protection for valve domes (foam)
2 - Sealing plug M 10
3 - Sealing plug M 12
Control Module and Hydraulic Unit, Removing
Component location: The control module is bolted to the hydraulic unit and is located at right in the engine compartment.
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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