Anti-lock Brake System (ABS) Bosch 5.7: Notes

A traction control system (TCS) may also be installed as an optional extra on front wheel drive vehicles.

The ABS is split diagonally. The brake servo assist is provided pneumatically by vacuum brake servo unit.

Hydraulic unit and control module form a single unit. It is termed the hydraulic control unit.

The direct connection between these components reduces possible sources of malfunctions. There is no provision for repairing the hydraulic control unit, it must be replaced if faulty.

The bolts that connect the individual components of the hydraulic unit must not be loosened.