Quote:
Originally Posted by Gaztech
This might sound daft but on mine you have to press and hold it for quite a long time before you get fluid coming out. For years I thought mine didn't work until I held it on for around 4/5 seconds
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Yes, mine does that, but as Derek says I think it's the non-return valve that is either missing or leaking back, so it has to fill the whole line every time I press the button. I really must get round to replacing it!
You're right though, this could also be the case on the OP's car, well worth running it for a while to see if it eventually leaps into action.