Brake Hoses, Lines/piping, And Fittings problems of the 2007 Kia Motor Sportage

All wheel brake parts were replaced except for brake lines. Within two weeks the brakes at the drivers side front and passenger side rear froze and the car would not move even in neutral? the only way to get those wheels brakes to release was to open the individual bleeder and push it by hand using only the emergancy brake to stop it in the garage. Jacked up in the rear the passenger side rear would lock up when the brake pedal was pushed. Once bleeder opened wheel would turn but lock up when pedal once again pushed. The kia forum online reports this happening on various kia and huyandia vehicles over several years and models! the vehicle locked up while stationary at a stop light! the only reported fix on the forum was replacement of a leaking master cyclinder into the brake booster. I replaced my master cyclinder and found no leak into the booster but am still unable to get brake fluid to feed to the passenger rear brake and thus bleed the air out?.