The answers given were not helpful. I have the same question and hope someone can provide a link to a diagram of the upper tension assembly for this model sewing machine.
I Need Diagram Of Upper Tension Assembly On Kenmore 148.1201
You can find this diagram on the website of Kenmore sewing machine so that you can know what is wrong with your sewing machine. This is website where you can find diagram.
' target='_blank' class='qa'>sewvacdoctor.com
' target='_blank' class='qa'>sewvacdoctor.com