Notes for repair work on anti-lock brake system — VW
Notes for repair work on anti-lock brake system on VW: factory workshop procedure. Full factory text, tools and checks.
Workshop procedure for VW — the factory write-up, straight from real workshop data.
📋 Procedure
VW
Eos
2006
Golf
2004
Golf Plus
2005
Running gear
Brake systems
Edition
03.2012
Notes for repair work on anti-lock brake system
Before carrying out repair work on the anti-lock brake system, determine the cause of the fault as well as the control unit code using
„Guided Fault Finding“
.
„Guided Fault Finding“
is carried out with the
vehicle diagnostic, testing and information system
VAS 5051
.
Disconnect battery earth strap with ignition switched off.
Before carrying out welding work with an electric welding unit, note
General Information; Body Repairs, General Body Repairs
.
When working with brake fluid, observe the valid, relevant safety precautions and notes
Chapter
.
After work for which the brake system had to be opened, bleed the brake system with
brake filling and bleeding equipment
VAS 5234
or
V.A.G 1869
Chapter
.
During the final road test, ensure that a controlled brake test is performed at least once (pulsations must be felt at the brake pedal).
Absolute cleanliness is required when working on the anti-lock brake system. It is not permitted to use any products which contain mineral oil, such as oils, greases etc.
Thoroughly clean all unions and the adjacent areas before loosening. Do not use aggressive cleaning agents such as brake cleanser, petrol, thinners or similar.
Place removed parts on a clean surface and cover.
After separating the control unit/hydraulic unit, use the transport protection for the contact pins.
If repairs cannot be carried out immediately, carefully cover or seal open components. (Use sealing plugs from repair kit 1 H0 698 311 A).
Only use lint-free cloths.
Only unpack replacement parts immediately prior to fitting.
Only use genuine packed parts.
When the system is open, do not work with compressed air and do not move the vehicle.
Make sure not to touch any contact surfaces on the connector, pressure sensor and control unit as well as the silicone gel by hand or with objects.
During painting operations, the electronic control unit can be exposed to a maximum temperature of 95 °C for only a short period, and to a maximum of 85 °C for longer periods (approx. 2 hours). Ensure that no brake fluid enters connectors.
TorqFix answers live for your specific car — tell it the engine code and it serves the matching sequence, torque figures and wiring for that exact variant.
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.