Brake Drum Wheel Cylinder Problems of Chevrolet HHR

The contact owns a 2010 Chevrolet Hhr. While driving 10 mph, the brake pedal failed to respond and the electronic stability control warning indicator illuminated. As a result, the vehicle crashed into a trailer. The air bags failed to deploy. There were no injuries and a police report was not filed. The vehicle was taken to an independent mechanic who stated that the ignition cylinder needed to be replaced. The manufacturer was notified. The failure mileage was 35,243.

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I am having a problem with the brakes on my new 2008 Chevrolet Hhr/ss. When first applying brakes after initial start-up and after sitting long enough for vacuum to leak down. There is an increased effort to apply and travel of pedal is also increased. Pedal is spongy and booster is inoperative until vacuum is restored by revving engine or driving a short distance. This vehicle is equipped with a turbo and vacuum/boost gauge. The initial vacuum is dropped when applying brake. It has been in for this problem twice, left overnight both times, and duplicated both times. The dealer reprogrammed computer per service letter. The second time they supposedly ordered a mastercylinder but still no parts have been changed, probably not even examined! now they tell me this is normal operation and I tell them it's not! the dealer service mgr. Has told me that gm knows about this but have no repair available. He blames it on the turbo! it is surely a vacuum leak or booster problem yet they seem unable to understand! I have been a mechanic for 30+ years and I know this is dangerous and needs to be repaired before someone gets hurt! the dealer doesn't even want me to bring it back in as they say "it cannot be fixed, it is a design problem!".

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