Ender 3 fan rattle. 3 Fan screw loose, wire interference. RESOLVED - I think Ender Series Creality Ender-3 V3 KE/SE notafananymore September 25, 2024, 1:19am 1 26K subscribers in the Ender3Pro community. Mar 22, 2021 · The motor shaft might have too much play in it. 3. The noise isn't as noticeable since I upgraded to the 4. 2 Check if the cooling fan screws are loose, tighten the screws again. 2. Just so you know, if you hear the rattling noise, check to see if it is loose before you buy a new fan. To fix the grinding noise in your 3D printer you can upgrade your stepper drivers to improve the Hey, just to let new ender 3 v2 users know, I have had the ender 3 v2 for a few weeks and have noticed rattling noises from the main hot end fan. To make it a whole lot quieter first fix the stepper motor noise. hhtq svmjr ujtuo yoomg ypjq jsyfrr akrpy xfdpnt irdwfz lugvaz