Washing machine noisy when emptying?

Question:Ive have just bought a brand new indesit wia 111 washing machine and the problem is during emptying it makes a loud pulsing noise! the drainage pipe comes out of the bottom of the washer at the back and goes up into my sink. I have no other drainage other then my sink what can i do?

Answers:
Could be loose screw on the base. The ones that are attached to the floor.