Yes it's rust. I started cleanning up where the mouse nest was (passenger side shelf) and found three holes. I'm not sure what the bolt in the first picture is for, but being in the corner seems to pose a problem. The firewall rust spots look like they may have been patched once. My question is do I cut or just clean and cover? I'm not planning on a body off at this point, just begining triage.
Thanks
JD
Thanks
JD