How to clean window regulator grease?

Have my side windows out and want to clean and re-lube the manual window regulator mechanisms. I began by scraping that 44 year old dried grease with a razor blade. However, there are many nooks and crannies that I can't reach. I don't want to spend a week washing and rinsing over and over again) with soap and water (the factory grease is probably a water resistant) What detergent/degreaser/gasoline will cut this old grease out of there in one quick swoop? (small portions where the grease is thickest are still moist-not dried up yet) Thank you.