Anti-Lock Braking System (Abs) Repair Information
WARNING: This page is about a different variant/trim than selected.
- 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 must be anticipated. When the ABS indicator lamp comes on the rear wheels can lock-up early when braking!
- The ABS is generally maintenance-free.
- Testing, assembly, and repair work may only be performed by qualified personnel.
- By not observing the points described in the repair information, the system can be damaged and vehicle safety could be compromised.
- Before servicing the ABS, determine the cause of the damage using OBD.
- Disconnect the battery ground cable when the ignition is switched off.
- When handling brake fluid, observe the relevant safety precautions and notes. Refer to BRAKE FLUID GENERAL INFORMATION .
- Bleed the brake system using the Bleeding Equipment:VAS 6860 or Brake Charger/Bleeder Unit:VAS 5234 for all work that requires opening the hydraulic system. High and low pressure testing should also be performed on the brake system.
- During the final road test, make sure that an ABS-controlled brake test is performed at least once (pulsation must be felt at the brake pedal).