On the back of the machine where the water hoses screw onto the machine, if you turn of the water at you cut off valves and remove the hoses from the machine, the part that the lines screw onto should have some small round screens in them. You can take those screens out and clean them. They are especially bad to stop up if you use well or spring water or if you had leaks repaired in you under ground water line. On newer machines there also a small electric water pump that can be found if you remove the complete repair access back of the machine.