Fuel Filter Used For Screenwash?

[Eamon Talty]

Looking at the ebay picture the black rubber pipe length into the filter is very short.

Maybe these black bits that block my filter are in the bottom of my tank

Has anyone any advise as to the difficulty of removing the tank? Is it bumper off or just headlight off or can it be acessed easy for removal?

[SwedishInside]

Originally Posted by phatboy130

I had one of those filters on the rear washer jet of my estate, it was clogged up and I just pulled it off to get the washer working again.

TOP TIP - if you pull the filter of to throw it away, to rejoin the pipes, grab an empty handwash bottle, unscrew the pumpy bit, and cut off an inch or so of the pipe, et voila, you can now use it to join your washer pipes back together minus the nasty old filter, I did this and it worked a treat

Great idea...
Thanks

[scimitar]

My windscreen washers stopped pumping water and investigation showed that the filter was blocked with black sludge/particles. I could not understand where it had come from; however it may well be rubber particles from the w3ater tubing. Bought a genuine Volvo filter for my 850 Estate today, £6.50 and fitted it. Awkward and fiddly comes to mind. However it will ay least stop the jets from getting blocked.

[phatboy130]

Originally Posted by scimitar

My windscreen washers stopped pumping water and investigation showed that the filter was blocked with black sludge/particles. I could not understand where it had come from; however it may well be rubber particles from the w3ater tubing. Bought a genuine Volvo filter for my 850 Estate today, £6.50 and fitted it. Awkward and fiddly comes to mind. However it will ay least stop the jets from getting blocked.

£6.50?? It's only an old style inline fuel filter, would have been about 2 quid from a motor factors...

[scimitar]

Unfortunately it is not a straight through filter and so your suggestion will not work. The correct Volvo filter has one inlet and TWO outlet fittings, one of which has a non return valve fitted. Don't forget the estate has two pumps, one for the windscreen and the headlamp washers and the other for the rear window. According to which switch you operate, water will only go to that selected and not both-otherwise the washer bottle would soon be emptied. Hope that this helps.

[phatboy130]

Originally Posted by scimitar

Unfortunately it is not a straight through filter and so your suggestion will not work. The correct Volvo filter has one inlet and TWO outlet fittings, one of which has a non return valve fitted. Don't forget the estate has two pumps, one for the windscreen and the headlamp washers and the other for the rear window. According to which switch you operate, water will only go to that selected and not both-otherwise the washer bottle would soon be emptied. Hope that this helps.

Ah, crossed wires I think then lol. I was referring to the "fuel filter" style filter that was fitted under the rear floor panel of most 850 estates, these block up. I guess you were on about the one for the washer resevoir at the front then

[mikealder]

Originally Posted by Jod T5

One of the nipples has the screenwasher pipe connected to it and the other has a ball bearing in it...
Quite what purpose this serves is a mystery but i expect it has something to do with maintaining pressure in the system or removing air

Probably to prevent the fluid draining back to the tank under gravity so screen wash is allways fully primed up to the nozzles in order to get an instant spray when the stalk is pulled.

The other part I coudn't understand is the "Rock Catcher" fitted to the inlet of the screen wash tank, on mine it was clogged up and took ages to fill the tank so it was removed and discarded. Bacterial growth can occur in the screen wash tank given long enough (this is what had blocked the Rock Catcher) which can block the nozzels if it gets forced down the pipes so the filters are there to prevent this, hardly necessary though IMHO - Mike