No experience of the Venga, but I have removed plenty in my time. Remove wheel first, and mud flap if fitted, then you should have a few clips.

In my limited experience the problem is with those clips (or studs). They often don't survive removal so you have to find the correct replacement. Peanuts on E-bay, but there are lots of varieties.

Yes, and bugs always get to the antifreeze in the bottle after a year or two. Rather than adding bleach, I siphon out the bottle and flush it with water a few times before refilling. If bugs have taken hold, after using the screenwash the wipers often leave pale streaks.

Edited by Andrew-T on 04/07/2023 at 09:32

Now to find a replacement wheelarch liner.

Not sure which side you need, but there is both left and right front wheel arch liners on Ebay currently for £35 each, also clips (x 10) for under £5.

My late Mother out Law's Astra had this issue. Crud in the bottle looked for all the world like waterlogged facial tissues. IIRC the Astra predated the current practice of putting the washer tank in the wheel arch. Instead it was bolted to the engine bay rear bulkhead.

Easy enough to remove. take inside and thoroughly clean.

That sorted it but the problem returned at least once more after a year or so.

I am certain that mixing types of screen wash doesn't help. I've suffered from exactly the same problem with my old Focus and the bottle is buried behind the wheelarch liner as well. About ten years ago I flushed it all out again and then only used the same brand (ASDA's best at 100% strength) and so far the problem has not returned.

This was discussed two years ago after my experience of the unintended consequence of using soft smear-free butt water;.......

I can’t be the only one to giggle at this.. !

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I recall somewhere on The Net reading how it's a good idea to use cheap spirits (booze, e.g. vodka) or commercial alcohol to temporarily replace the washer fluid to strilise it and help clean out all the gunk. I wonder whether you also may need to heat it to help the task?

I also do recall someone saying they used a steridant type tablet (either those used to strile false teeth or baby feeding material) for a similar purpose by popping the tablet into the bottle and letting it do its fizzy work (with ordinary water [hot?] only).