I waited several hours and by the time i came back to them vinegar baking soda mixture was orange with rust and a lot of the rust had been removed from the hinges.
Removing rust from door hinges without removing.
Replace 2nd hinge and then remove the last hinge.
Use wd40 if the hinges are squeaky paint can sometimes be chipped off if you use a chizzle or small dry wall knife depends how many coats ans how thick the paint is.
Do the rust removal with a wire brush or any preferred rust removal that you have planned.
Use a screwdriver to remove the hinge plates from the door.
If you still have a lot of rust i would let them soak more.
This can be done w out removing the door.
Mask around the hinge and use a paint or sealer like rustoleum.
But it is important to seal the metal away from moister as soon as you can.
Place the hinge.
Remove one hinge at a time.
Vinegar and a steel wool pad or naval jelly follow directions will remove the rust.
At this point they looked clean enough to be removed from the mixture.
On may 15 2018 try dabbing a paper towel of a microfibre cloth in clr and rub the areas that are visible to you and ugly to look at.
Replace the hinge and then remove the next hinge repeat.
How to remove rust from door hinges.
You can t remove the rust w out removing the hinges.
Remove as much rust as possible but expect rust to remain near the edges and around the screw holes.