Hello there, and thank you for reaching out to the Samsung Community. We are very sorry to hear about the rust concern on the exterior of the dryer and suggest contacting the service center directly for physical damage service assistance. Using this link here- https://www.samsung.com/us/support/service/
We've located this article regarding the weird noise being reported here- https://www.samsung.com/us/support/troubleshooting/TSG01000979/ for you to review. We recommend for you to pick the closest sound to the one you're hearing, so you can do the correct troubleshooting steps for your issue.
Please also remember you can contact us directly via private Message by selecting any moderator and clicking on the chat option with your full model and serial number if needed.
