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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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940 windscreen washerViews : 1064 Replies : 26Users Viewing This Thread : |
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Jun 26th, 2019, 07:40 | #21 | ||
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The red part is meant to be on the underside Mike. The hole is meant to be there and the valve is designed to leak through the tell-tale hole when the non-return diaphragm fails. I'm all for saving money but i think your method is a false economy : https://www.partsforvolvosonline.com...oducts_id=3177 For the sake of a couple of quid, you remove the old one, bin it, fit the new one (the correct way round with the red part underneath - yes, the feed pipe is meant to cross over the jet hose) and over the course of its lifetime, you save the £2 in reduced petrol consumption from not having to carry the extra few grams of weight for the spare valve. Not to mention the cost of your time spent faffing about with a pair of rubber gloves and indeed the cost of those rubber gloves. This doesn't take into account the non-return valve is meant to work correctly with the pressure being delivered from the pump, too much back pressure from the valve and it could shorten the life of the pump as well.
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Cheers Dave Next Door to Top-Gun with a Honda CR-V & S Type Jag Volvo gone but not forgotten........ |
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Jun 26th, 2019, 11:05 | #22 |
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Location: Blyth, Northumberland
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Question.
My 1992 940 doesn’t have one of those valves at the windscreen end near the scuttle, just a normal T piece, but it does have one behind the nearside headlamp where the tubing from the pump splits to feed the two headlamps. It leaks through the hole in the top after using the washers. Not sure whether this is supposed to happen. Haven’t been able to source a replacement yet.
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Jun 26th, 2019, 11:15 | #23 | |
bob12
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Jun 26th, 2019, 11:19 | #24 | |
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https://www.ebay.co.uk/itm/Volvo-440...e/293107610539 It's a different part and number because the outlets are smaller for the headlamp washer jets. If it leaks, it has failed so needs replacing. If you don't have a Non-Return Valve (NRV) on the bonnet sreen-washer system, i'd suggest adding a normal NRV in the feed to the T-piece : https://www.ebay.co.uk/itm/2-x-AQUAR...E/222659538025 As it happens, that's exactly the arrangement i have because my original T-valve gave up the ghost after the previous owner had bodged it. Car was going for MoT a couple of days after and couldn't rely on the post so needed a work-around. Still works absolutely fine.
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Cheers Dave Next Door to Top-Gun with a Honda CR-V & S Type Jag Volvo gone but not forgotten........ Last edited by Laird Scooby; Jun 26th, 2019 at 12:04. Reason: Extra info. |
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Jun 26th, 2019, 20:06 | #25 | |
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Thanks I hadn't realised the red cap should point down. I can just about manipulate the pipe that carries the water over the other pipe so that it does that. Last edited by slowprop; Jun 26th, 2019 at 20:12. |
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Jun 27th, 2019, 15:25 | #26 |
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Thanks guys. All working good now.
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Jun 27th, 2019, 15:28 | #27 |
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Excellent news!
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