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Discussion Starter · #1 ·
I have noticed that if I top my screen wash up to the top of the tube, the level drops without having used the screen washers. There doesn't appear to be leaks, I don't think evaporation could account for it either.
If somebody out there tops theirs up I would be grateful if they keep a eye on it for a few days to see if it is unique to my vehicle, thank you.
 

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Is it possible there is air trapped in the reservoir below the fill tube that with movement releases it, causing the level to drop?
 

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2020 CX-30 GS FWD, Snowflake White
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instantly or over a period of time - if so how long?

An air lock was my first thought.
 

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Discussion Starter · #4 ·
Thanks for your replys due to covid 19 didn't use the car for two weeks, over a period of 7 days it dropped aprox 4 inches and stabilized topped it up and same thing happened. Not moving probably rules out air locks.
 

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GT Sport Tech - driven by the wife
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My current cars and previous ones do this. Even with no use of the screen wash I can still manage a decent amount of water to refill them to the brim. My wife's CX-30 and my Lexus ES both required a top up last weekend even though the washers hadn't been used.
 

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Discussion Starter · #6 ·
Thanks Habu, Its strange isn't it. I expect. I will soon find something else on the car to become obsessive about :)
 

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2020 CX-30 GS FWD, Snowflake White
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just a thought, maybe it draws it up into the lines after?????
 
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