Change the brake fluid and remove the pads from the calipers and file off all the rust.sticky brakes (going to try changing the brake fluid soon)
Drain all of it, not just 1 quart. Do this 3 times, getting it to Interstate speeds and using reverse, in between each change. You'll need 3.x quarts per change.noisy second gear (maybe it's normal but I'm going to try changing out a quart of fluid),