I had my washing machine leaking before and after some googling I learned that there is something called a water inlet valve that controls the water intake from the pipe.  
 
You may want to google that and have it checked out. The replacement part is not expensive (like $40) and you can certainly do it on your own without any special tools. 
 
Give it a try
		 
		
		
		
		
		
		
		
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