While you wait for answers, we may have found some information which could help you.
Click here for Sewing Machine SewWhere do i oil my Kenmore 6 stitch model # 158 13400 ?
How do I troubleshoot a Kenmore sewing machine 1972 zig zag?
Kenmore 158.14001 Stitch length knob now turns, won't change length?
How do fill a bobber?
How do I resync a385.16221300 the needle hits the bottom plate ?
Kenmore 158.12511 stopped sewing?