W211 facelift Windscreen washer not working

EmilysDad

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Hmmm, now i`m concerned it may be that and i just spent £75 on new jets!!!! Where is the none return valve so i can check? Also, just bought some merc screenwash and want to know if i can use de-ionized water or does it need to be distilled? Don`t want to use the expensive crap that comes out of the tap though......
Sorry. No idea where it is (assuming 1 is fitted ... there usually is ...) to your car, but it won't be far away from the pump itself. They're only fitted to prevent screen wash from draining back into the bottle between washes.
 
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aaronsdad1997

aaronsdad1997

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1990 300se w126 2007 e280 cdi w211
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Sorry. No idea where it is (assuming 1 is fitted ... there usually is ...) to your car, but it won't be far away from the pump itself. They're only fitted to prevent screen wash from draining back into the bottle between washes.
Cheers, i`ll take a look but water is coming through upto the jets it`s just not coming through the jets so i guess it will be the jets..
 

EmilysDad

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Cheers, i`ll take a look but water is coming through upto the jets it`s just not coming through the jets so i guess it will be the jets..

Yes, if you've water pressure at the jet, it does imply it's the jet.
Years ago on my Vauxhall, it was the heated washer nozzle that had corroded & split, so instead of going through the nozzle, water just poured over the top of the engine.
 
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aaronsdad1997

aaronsdad1997

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Drivers side didn`t work when i bought the car and passenger side stopped a couple of weeks ago, so fingers crossed it is the jets, i`ll be gutted if it`s not though.
 
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aaronsdad1997

aaronsdad1997

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All done....New jets installed, tank drained and filled with expensive mercedes wash fluid and all working well.....Big thanks again to everyone who contributed.
 


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