My Jeep is making a loud roaring noise. on 2001 Jeep Cherokee

I'm not sure what it is. I turned it on this morning and got the loud roaring noise and then got on the highway and was fine. But then I got off my exit and it started back up again. It doesn't sound good. Could it be anything related to needing to change/give it more engine oil?

Asked by for the 2001 Jeep Cherokee
no. it could the fan clutch or a cooling fan. have a shop check it and confirm.