Bummer! I thought the return of symptoms was only after a cleaning - not the "shimming" that I did. I didn't see where you actually tried the washers like you thought that you might - sorry for missing it.
In is isn't my daily, but I'll check back in a bit and see if I'm in the same boat as...
Ok, first real post here... I hope it is helpful. I was having the same issue with intermittent/hard-to-push buttons. I pulled the circuit board halves apart and removed the one that interfaces with the offending buttons (in my case, the rear air button had stopped working, and the ac was...