Power Assist Hydraulic Brake Problems of Saturn SKY

The contact owns a 2008 Saturn Sky. The contact stated that the vehicle requires excessive brake pedal effort in order to stop. The failure occurs after a cold start and typically at relatively low speeds. After the vehicle is warmed up, the failure ceases. The dealer was unable to duplicate the failure. The contact is in the process of filing a complaint with the manufacturer. The failure and current mileages were 1,191.

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Upon starting the vehicle from a down period as short as 6 hours, the brakes are extremely ineffective and barely able to stop my vehicle when backing from a parking space. After the vehicle has run for a couple minutes the brakes appear to function like any other car. My previous mechanical experience and the research I've been able to do on the web suggest that the vacuum booster is failing to assist the brake system at initial startup. I have contacted the local Saturn dealer and Saturn corporate via their website without satisfactory response. This failure occurs reliably every morning, I've had two near misses almost backing into traffic when I could not stop the vehicle at an idle.