? ? ? ? ? ? I agree, Do this Before You Try Oil . It will Remove alot of The Dirt From the Hinge if it has one. It will also Seperate Any Parts That May Be Fusing Together. then I'd use a Liquid Wrench Type Spray Lube & work it slowly like Bonfire SuggestsKeith IL said:I would hit it with electolysis, that should get most of the corrosion or junk off