When I installed my lift kit a couple of months ago I did a complete brake job on the front including flex hoses, calipers, and pads and flushed the system. Now every so-often my front brakes are hot and start to smell, they tend to be dragging. I jacked the front of the truck up and spun the front wheels when the brakes were both hot and cold, there tends to be a bit of friction as though the brakes are not completely releasing. I did grease the caliper slide pins and I am wondering if the master cyclinder is screwing up. I am stumped as to what is causing this. Any opinions??????