Headlamp Washers E46

When you first switch your lights on and then wash the screen, the two nozzles mounted under the front lights move out and back twice and spray the headlamps each timel.
Used to, don`t any more. Can hear the pump run twice but the nozzles don`t extend ?
Any ideas please.
Thanks in advance, Mal.
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The nozzles are spring loaded and it's the water pressure that pushes them out and sweeps them up the headlights. If one wasn't working it could be jammed but both, it must be a lack of water pressure even though you can hear the pump. Check the tubing if you can see it!
Steve Ord

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