In these cases, a servo unit, in most case a vacuum pump, is placed between the master cylinder and the brake pedal, which effectively boosts the braking power when applying the brakes.

During most of the everyday braking maneuvers, the electric drive motor is solely responsible for braking, while the electric brake servo unit only engages the calipers in situations where sudden ...

The trucks had vacuum servo air brakes. The old Bedford chassis had a liquid brake system, though this was removed when the caravan was built.

Neu- Servo Repairs now operates out of a modern unit in Bromsgrove and is celebrating its 15th birthday after a record year in 2014.