It is a metric bolt but I don't remember the size. I use a short breaker bar or wrench and I hit it with a small slege hammer to get it started. Not all that hard to remove the bradket.
2004 Town & Country Limited, Michlin HydroEdge, added OEM Rear Sway Bar, German OEM Headlights with Hella H7+30 and H9 bulbs, Centric Rotors, Akabono Ceramic Pads, front and rear, rear hitch.
2001 PT Cruiser Limited automatic, Goodyear TripleTread rear, Goodyear Eagle ResponseEdge front, performance sway bar bushings and front links, 9011 and 9012 bulbs, front tower bar, Centric Rotors, Akabono Ceramic Pads, front only, Champion dual plat plugs, Mopar performance plug wires.