I am very disappointed with Preston’s service dept. I had a beak line fail on low mileage car. The service dept. showed 3 1/2 hours to replace break line to rear of car. Service dept did not replace with factory parts a pre bent steel break line with new fittings. They used easy bend break line and reused break line fitting from old break line. Replaced break line was not attached to the frame of the car they used 1 plastic tie attached to the gas line to hold new break line in place. New break line is now loose and can rub on the fuel line and frame causing failure in the future. Old break line was not removed still attached to the frame of the car. Charged for the full 3 1/2 hour job but only did 1/3 of the work. I returned to service dept. after the drive home when break peddle went to the floor. Told me it also needed a master cylinder for the breaks, after 5 more days in the service center I was told car did not need a master cylinder breaks were normal. Breaks are now normal but in the future will the newly replaced break line rub a hole and fail when I use the breaks or rub a hole in the fuel line causing a fire. When I use a dealer service dept. I expect top quality work, top quality parts; this is not what I received. My bill showed total of 4 1/2 hours for labor at $98. per hour should be $441. was charged $500.15 for labor, Preston's math for the labor is off by $59.15.