Brake Disc Caliper problems of the 2010 Toyota 4Runner

Since I bought this Toyota 4runner I've had nothing but problems with brakes not working right the front end shimmeys at certain speeds. . I took it back to the dealer called tri county Toyota in limerick PA. They told me it's road cararistics. . Brought it back3or 4 times. . Never fixed this annoying problem. . They even got a so called expert tech from Toyota to see what the problem was . . Never fixed. . I had bought new custom wheels and tires. . The guy who put my new wheels on said there is something wrong. . Showed me the brakes 1 pad was good the other was very thin. . I brought it back to the dealer explained about the brakes. . Waiting in the show room. . Craig johnson brings me in to show me my brakes. . And he sad there is no problem. . I told him I saw these same pads 1 was thick the other was very thin. . When he showed me they were replaced with new ones. . But said the same thing nothing wrong with the. . This time I was very irritated and told him are you trying to insult my intelligence. . Like I said the guy who put my new wheels on said I'm pretty sure your calipers are bad . . . . In the mean time I had gotten very physically sick. . For a year. . So I gave up I was so sick. . Now my guarantee was up. . Brought it back to the dealer again. . They put new rotors and brakes. . And still,my 4runner. . Shakes when I hit the brakes suddenly. And still shimmeys at certain speeds. . . . As of today November 15th 2017 this problem still exists. . I really need help with this vechicle. . Because all I got was the run around. . . . Bought 7 cars and trucks over the years. . . . This problem is bad from day 1. . I have 61,600 miles on this vehicle. . Nothing has changed. . . Please help me with this issue. . Because they won't at tri county Toyota. . Hope I hear back from someone. . Thank you sincerely anthony I bought this vehicle on 3-1-2010. . Thanks.