Just got a 2015 sport

[Gabrieljanes88]

Hello just found this from Facebook just wanted to introduce myself I just bought a 2015 Ford edge sport 2.7 and I love it but starting having problems rear differential is going out brake booster has a leak and it's lost all the pep it had I don't understand this thing was a beast when I first bought it after about a month all this happened I have all maintenance records It was taken care of since new but I didn't see a rear differential oil change so anyways wish me luck lol I still love the edge st it's a sleeper for sure