Hi, Thank you for sharing your experience with your LG Dishwasher. We appreciate you letting us know about the vibration during operation and the parts coming loose, and we want to ensure your LG unit is reviewed so we can help get everything functioning as expected. To allow us to properly investigate the details of your specific product model and to see how we can assist with the installation‑related issue being encountered, please send us an email at lgdigitalcare@lg.sprinklrsupport.com if you need further assistance. You can also refer to these helpful links for installation and leveling guidance: https://www.lg.com/us/support/help-library/lg-dios-dishwasher-common-dishwasher-noises--20154629484966 & https://www.lg.com/us/support/video-tutorials/lg-dishwasher-installation-CT10000009-1366643457088 ^James