My powerbrake was acting funny, as in the fan would never kick on lately. I opened it up a saw that the plug in for the fan wasn't hooked up at the connector, and c1 was bulging and the plastic coating was peeling exposing the aluminum. Not leaking yet .but I'd like to replace it before it spews. It looks like a non polarized 160uf 160v electrolytic. I've never ran across non polarized electrolytics before.. does this caps replacement have to be non polarized?