Ever since owning my Z one of the washer jets was always blocked on the passenger side, this wasn't too much of an issue. Then a few weeks ago a 2nd of the 3 jets on the passenger side got blocked up, and so that was a bit of a PITA... and using a fine needle didn't work at unblocking.   So i took apart the nozzles and thought I'd post some pics, as I previously hadn't tried to fix the nozzle as they looked a little fragile to get off.   On the under side of the wiper arm, you'll see a T-p