Failed MOT because of headlight washers | Renault Dealers, Independent Garages, MoTs and Servicing - LIVE DIARIES | Vel Satis Forum

 
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Failed MOT because of headlight washers

UserPost

06:38
April 25, 2014


hu88ertvelsat

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As the title says, really. Failed because the headlight washers aren't working.

The garage is reluctant to try the WD40 remedy that has fixed the washers for so many other members. They suggest the wiring for the washers is buried deep so will require a strip-down. To be honest, no garage seems confident dealing with a VS around hear.

09:51
April 25, 2014


lexi

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2
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Is there a fuse?

09:58
April 25, 2014


hu88ertvelsat

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3
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I've looked at the User manual and headlight washers are not listed next to a particular fuse, but I read somewhere else that the washer fuse is behind the glovebox in the Velsatis. Maybe someone can confirm.

10:29
April 25, 2014


lexi

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4
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  It may be same fuse for window pump and headlight pump.  I think the washer pump and wiring are behind bumper

 and wheel arch liners on front o/side.  I had that stuff in my sights when doing auxilliary belt.  If you can get a hand in and make/ break the connections or check with multi meter for a feed. May not be 12v mind as that could CAN BUS track?  It is all connected at UCH unit.

13:20
April 25, 2014


800dr

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5
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lexi said:

Is there a fuse?

Yes check F16 (40A ) in engine compartment.

This fuse is shared with rear defrost

Check also relay R6 behind glove box ( I am not sure of the location for the VS right-hand)

16:47
April 28, 2014


hu88ertvelsat

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6
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The garage tell me they have now checked the fuses and they seem ok.

They have not tried spraying WD40 on the washers yet.

They believe it is an electrical wiring problem, related to my TPMS not recognising the new valve sensor they fitted recently, and they believe it's to do with a problem with the wiring loom, which is the same for the TPMS and the headlight washers.

19:02
April 30, 2014


AndrewS

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7
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Forgive me if you know this already. The washers are driven by water pressure i.e. it is the water pressure that pushes the washers out and provides the spray. Can you hear the washer pump whirring? It is quite loud. If you can, then it is likely that the plastic "piston" has degraded. There are other threads showing how guys have repaired this but it seems very fiddly. A new set of washer is the answer.

If you cant hear the pump, then I gues it can be the fuse, a connection, or the pump has failed/jammed.

Incidentally my garage man told me it was an MoT failure item (mine dont work); but when I had it in with him to service and get ready for the MoT, he said to leave it and see if they noticed: they didn't! So they still dont work, but I have an MoT cert.

The fuses behind the glovebox: again there is a thread about how to remove the glovebox; you need the special tool to remove the DVD box first. Look on eBay

17:05
May 4, 2014


tonyrome

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8
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Post edited 17:06 – May 4, 2014 by tonyrome


AndrewS said:

Incidentally my garage man told me it was an MoT failure item

I'm surprised that it is, quite frankly. Maybe they should fail anyone who has dirty headlamps Wink. Same thing with tyre pressure monitor systems. They are nice to have but, really, you should always check the tyres before departing on a journey and the manufacturers state the monitoring system is a backup system and does not replace regular checks, so why is it an MoT failure?!

19:35
May 6, 2014


AndrewS

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9
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I think it is because xenon lights are so powerful: dirt and smears on the headlamp glass can cause refraction and so possibly dazzle oncoming drivers. However up here in the Lakes it rains so much that they stay clean whatever! Similarly the provision of self-levelling headlamps. What puzzles me is that the dip beam is so broad and bright, yet the main beam is rubbish in comparison. Anyone found a way of improving the main beam?

11:26
May 7, 2014


800dr

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10
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I agree with Andrews.

The XENONS lamps are registered with their washers.
if the washer is  defaulting MOT refuses. it's the same in France

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