And not really what you would expect the motor to sound like, this is a high pitched squealing sound.

Motor makes clunking noise.

The motor broke.

The motor went bad after less than 8 months of light use and Nordic Track is now playing stupid about fixing my treadmill

Considering the treadmill turns on and the brand new motor just makes a loud thunk noise

Belt is smooth and motor is strong.

After buying this treadmill 10 months ago the motor has already failed and stopped moving during use.

The motor feels sluggish