Antilock Brakes / Traction Control Systems: Service Precautions

Brake Assist (BAS) Components On Vehicles Involved In Accidents
If, due to the extent of the damage to the vehicle or the position and external appearance of the brake booster after the accident, it can be seen that the brake booster has received a heavy blow, it is to be replaced.

Indications are for example:
- Hydraulic lines kinked
- Connections on master brake cylinder leaking
- Electric cables or plug connections damaged
- Brake booster housing shows signs of damage

Even if there are no such indications, the system must nevertheless be checked in accordance with Testing and Inspection Procedures.