Hello my name isXXXXX will be assisting you with this problem today. Thanks for trusting JA to help you with this appliance question.
The problem is most likely the brushes on the motor are worn and will need to be replaced, Take the model number to a local appliance parts dealer to purchase the brushes, The brushes normally clip into the motor, Remove the wires from the brushes then press the clips on the side, pull them out.
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