Mechanical ABS systems- Brakemastercylinder Drive shaft Pump andmodulator units Drive belt Disc brake Diagonally splithydraulic circuit Drumbrake Load sensitivevalve

The Lucas Girling SCS was recently introduced as an anti-lock option on Ford's front-wheel-drive Escort and Orion, although the system is suitable for most light, front-wheeldrive cars. The system only senses when the front wheels are about to lock, although a reduction in pressure at a front wheel is coupled with a proportionally smaller reduction at the diagonally opposite rear one to keep the car straight.

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How ABS works

One of the most unnerving things that can happen in motoring is that you brake and one or more of...