Although a noisy washing machine is not typically a sign that something is broken, it definitely can be annoying. Usually the noise from a washing machine can be fixed fairly easily, but a few different fixes may need to be tried before it can be determined what the true culprit of the noise was.
Check the drum bearings if the washing machine is making a rumbling noise. The noise may possibly stem from water getting into the bearings. Take the belt off and spin the drum by hand. If there is a rumble, remove the bearings and replace them with new ones.
Check the spider at the back of the drum. The spider is the three-armed device that holds the drum in place. If there is one loud noise on each revolution of the drum, there is a good chance the spider has partially become loose. Tighten the bolts on the spider to silence the noise it causes.
Check for coins. If the noise the washing machine makes sounds like metal on metal, there is a good chance that some change has slipped from a pocket and is now in the dryer. Take a flashlight and look in the drum for coins, paper clips, and other small items.
Adjust the legs. Many washing machines make more noise than they should because they have not been properly balanced. Re-adjust the legs to make sure that they are all even. This will keep the washing machine from moving and will ensure that the noise it creates while it moves will go away.
Replace the drive belt. Often a high-pitched squeaky noise can come from a drive belt that has been worn down. Simply replacing the old belt with a new one will fix this problem.
Check water pumps for obstructions, as blocked pumps can also create additional noise.
Do not ignore noises from the washing machine. Remember there is a reason why it is not sounding like it should.