Anti-Lock Braking System (Abs) Repair Information
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S6, 2018 Audi A6 Quattro, 2018 Audi A6, 2017 Audi S6, and 2017 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Special tools and workshop equipment required
- Brake Charger/Bleeder Unit :VAS5234
ABS malfunctions do not affect the brake system and the booster. The conventional brake system remains operative even without ABS. A change in braking behavior should be checked. When the ABS indicator lamp comes on, the rear wheels can lock up early when braking.
WARNING:
- The ABS is always maintenance-free.
- Testing, assembly, and repair work may only be performed by qualified personnel.
- By not observing the points described in the repair manual, the system can be damaged and vehicle safety could be compromised.
Vehicles with high-voltage system
WARNING:
Pay attention to the general warnings when working on a high-voltage system. Refer to appropriate service information .
All Vehicles
- Before servicing the ABS system, determine the cause of the damage using OBD.
- When installing a new hydraulic control module, the coding must be checked using the Vehicle Diagnostic Tester.
- Disconnect the battery ground cable when the ignition is switched off.
- When handling brake fluid, observe the relevant safety precautions and notes. Refer to GENERAL INFORMATION, BRAKE FLUID .
- Bleed the brake system with the :VAS5234 for all work that requires opening the hydraulic system. High and low pressure testing should also be performed on the brake system. Refer to LEAK TEST .
- During the final road test, ensure that a ABS-controlled braking is performed at least once (pulsation must be felt at the brake pedal). Use the Vehicle Diagnostic Tester.