Join Date: Sep 2008
Location: Sparta, Missouri
Wait, a '64 should have a spring loaded tab that slips over the end of the splines. Barely visible unless you're looking for it. Push down on the wiper arm right at the spring loaded joint that keeps the wipers on the windshield. Then take a rag and/or a piece of card board to cover your paint. Then with a large flat blade screw driver, pry up on the outside of wiper arm. The wiper arm is actually cocked on to the splines, you have to straighten it out for it come off. Clear as mud?
Don't listen to me, what do I know? I've only been doing this for 30 years.