When I push on the brake pedal it seems to lock up??? If I hit them hard they don't stick but if I just push down they slam you to the dash. Checked the lines and has good vacuum. any ideas??
RepairPal Certified shops can diagnose and repair your 1999 Porsche 911. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
ended up changing the master cylinder and booster. Any idea why the booster would have water in it????