Squeal that sounds like belt spippage

check for belt failure from the motor or belt adjustment /tension

This may well be the drum drive belt in the back of the washing machine. This belt transfers drive from the motor to the drum for both wash cycles and spinning. If the belt is slipping slightly on the pulley then a squeal may well be heard on the spin cycle and will change in pitch as the speed of the drum increases. At lower speeds (wash cycles) the belt probably won't slip. I don't personally know of this model but there is usually a tension adjustment nut/bolt near the motor to tighten the belt and stop it slipping.

What model is it? The answer is probably both. Every machine I've worked on has a motor with a belt that drives a pulley that turns the tub held in place by bearings. Your squeal could certainly be caused by a bad belt. If the belt looks bad change it. If it looks okay, try a squirt of belt dressing, if the squeal disappears change the belt. If it is a front loader open the loading door, put one hand just inside the tub at the top (like a waiter carring a tray shoulder high with one hand) and LIGHTLY push upwards then drop your hand a little then push upwards etc., etc. If the whole tub moves solidly you are okay, but if you feel a wiggle or a slight space in the jump (man this is harder to explain than i thought it would be) then your bearings may need attention. I doubt it is your bearings causing the squeal though. Does it squeal through entire spin cycle, or just at the beginning?

Both cycles use belt drive, but spin has lower torque demand, replace belt or tensioner or both.

the belt may be old and stretched/slipping...if it is stretched and slipping it will cause the squealing .............otherwise, check the pulley for the belt/motor to see if it is okay and the motor itself copuld be worn out if the belt looks ok............be careful, you can get zapped if you touch a wire and also if the motor is burned up it can cause a fire so watch carefully and you should be able to see which of these possibilities are the problem..............

i am sorry but i had this problem happen before with my customer maytag performa, what i found out is that the brakes become crystallized, causeing a squeaking noise, remember in agitation, the brakes stops the the drum from spinning, what i advise you to do is change out the breaks or take the brake pads and rub them with sand paper

thanks

probably needs a new belt,water gets on it and makes it squeal

Most noises from a washing machine occur during the spin cycle. If you hear loud thumping during the spin, the load of clothes may have become unbalanced. Stop the washer and redistribute the clothes, then re-start it. Repeat these steps if necessary. 
for detailed help with diagrams and step by step instructions click the link http://www.applianceaid.com/washerspinnoise.html

The belt is slipping and needs replaced.