Alright well i appreciate the help. Im just gonna take it to a mechanic within the next couple weeks and see if they can resolve the issues. Ill keep you updated

So im not the most mechanically gifted. Is there anyway to check the serp belt without taking it off?

for the second issue, the noise will stop knocking if i turn the wheel a little bit. but when im turning hard the knocking returns and disappears as i turn the wheel back to straight.

I purchased my used Xc90 last spring. About a month later after my warranty was up i started to notice my car was progressively getting louder. Now 7 months later the whining noise has become louder then ever. The noise starts immediately when i turn on the car and seems to match the cars rpm as i a...