'''TYLER GOODWIN''' absolutely should you go ahead and replace the fan. If it is noisey it is most likely a bearing and to keep it running like that may lead to overheating from an ineffective fan. [https://www.dell.com/support/manuals/en-us/inspiron-14-5482-2-in-1-laptop/inspiron-5482-service-manual/before-working-inside-your-computer?guid=guid-5d3b1051-9384-409a-8d5b-9b53bd496de8|This site] will show you exactly how to replace it.