Originally Posted by
ArchaicArcane
Caroline, could you possibly thread the machine with 2 different colors and sew a test strip on some scrap fabric and post a photo of both sides? Sometimes all of our eyes together can spot something...
Great idea. A picture's worth... etc. :-)
EDIT: Caroline, did you check the hook timing after setting the needle height? If the pop is gone (you didn't say, but I assume it is) and you're still having tension trouble I still suspect it's the hook timing