Hydraulic Unit

Hydraulic unit consists of valve block, master cylinder, pump and motor all in one unit. See Fig 1 . Hydraulic unit is attached to vacuum-operated power booster. Brake fluid reservoir is separate from hydraulic unit. See Fig 2 .

Fig 1: Identifying Hydraulic Unit Components

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Identifying Brake Fluid Reservoir Components

Courtesy of SAAB-SCANIA OF AMERICA, INC.