[trentr98]

Hey everyone, hoping I can get some basic guidance on an oil leak I've got. About 5k miles ago I had my oil changed by Valvoline (I know, my first mistake). Today, while looking under the hood, I noticed that the filter is leaking from the top (circled in the picture). Should changing the filter (and oil while I'm at it) solve the issue, or could there be an underlying issue?

Also, the oil has leaked onto the serpentine belt, so I'm going to go ahead and change that. I see a lot of kits come with a tensioner as well, so is it necessary to change that too? Going off that, there's some surface rust on one of the pulleys (second picture). Is this something to worry about? Thanks in advance!

Edit: I'm at 80k miles just about