Originally Posted by
HillRider
Brake Fluid??? That stuff is really agressive and makes a pretty good paint remover. I've never seen it recommended as a lube for anything.
Silicone grease will work a lot better. It's not volatile and won't cause deterioriation of the inner tube rubber or the pump'e seal washer.
+1 brake fluid can be murder on the neoprene O-rings and other rubber parts of the pump. Silicone grease won't hurt them so is a much better choice.