It is easy to spot this specific issue on your Ender 3, If you monitor your Bowden tube where it attaches to the extruder assembly, upon retractions you will see the Bowden tube slipping and moving up and down inside the pneumatic fixing, it may also move backward and forward slightly inside the hot end pneumatic fitting.
|Country/Region of Manufacture||China|
|EAN||Does not apply|
|ISBN||Does not apply|
|MPN||Does not apply|