This can result in a partial brake system failure due tointernal master cylinder leakage which can cause loss of braking on two of thefour wheels. If this occurs, there would be increased brake pedal travel, higherpedal efforts and increased stopping distances.
Service Brakes, Hydraulic — Foundation Components — Master Cylinder
The service brake master cylinder was not properly assembled or could have been damaged by the evacuation and filling of the brake system at the assembly plant.