I have a 2012 Tunda 4x4. Never an issue since I have owned it. Well about 3 months ago I got new breaks on the front. Ever since then I started getting this problem. Every now and new the break peddle will go to the floor. Then it will correct itself with a few pumps of the break. Took it to mechanic & they couldn't find the problem even though the same problem happened to mechanic when he drove my truck. He took wheels off and everything is working correctly, can't find anything wrong. Seems like every now and then the breaks act like they have air in system. He said he blead them a bunch of times ad no air. Plus the master cylinder is brand new, which was the first part changed to correct the problem, but same thing happens. Any help on this issue would be great.
Thanks
Joe
