While you wait for answers, we may have found some information which could help you.
Click here for Pfaff Creative 1471How to replace Creative Touch 1036 Bobbin Case?
Pfaff Creative 1473 Thread stuck in bobbin race?
I have a singer creative touch 1036?
pfaff creative 2140?
Can a faulty bobbin hook cause my sewing machine to skip stitches?
Pfaff Creative 7550 sewing machine stuck in slow mode?