Had new hose line installed, But engine sounds a bit rough!! Could Air in Line?

Hi, Thks 4 answer i will have to see how it goes 4 a while. I'am going to ck the fluid leval today, Hoping the Fluid will be high!! But After reading the RePairPal blogs I know the Antifreez needs to be replaced. Thks to everyone for all the information.. Brough