I was having trouble with losing brakes on my VW Jetta. I had taken it somewhere else before goinjg here and they fixed them once. A week later I was back in after losing them again. The other place fixed them again for free but told me they didn't know why the problem returned. When it happened the third time I went to Klaus garage. He told me there was a break in the muffler which was heating the brake line causing it to rupture. Even though the car was quiet I decided to fix the muffler pipe. Since then the car has been fine.