Balatian change problem

Hello everyone, look at the tiles of a 2006 Dodge Ram (2500) were already spent and I put them on new but now when the brake pedal feels like that vibrates or as it is pulling but before not towards that ........ They would be badly placed, or something similar .... I would appreciate their comments ......... Greetings.

In general, if you feel as a brake as a crazy horse, it is for crooked discs, the poorly installed values ​​is defil