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| D2 - Body and Exterior Bumpers, bonnets, glass, trims - Everything outside |
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#1
3rd November 2015, 11:01 AM
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Wipers Gone Wrong
Briefly:
• Screenwash pumps work perfectly • Wipers, however, are getting more temperamental. The mechanism has been checked for corrosion and it's fine. Sometimes they work first time, other times they don't come on at all on any setting. Any thoughts? Duff motor? Dodgy connection? Mischevious pixies? 
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#2
3rd November 2015, 11:06 AM
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Any difference between just turning on the wipers (in various modes) with the stalk vs triggering them with a wash only.
And have you tried detaching the arms before testing? That might help narrow it down between stalk, relay, wiring, motor etc.
__________________
2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions, ski hatch retrofit; extended leather. Aftermarket DVB-T, reversing camera and full XCarlink (Bluetooth etc.). 2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation".  (A much rarer model than a D2 S8 by the way!) Oh, and a brand new engine at just under 30,000 miles on the factory one!  Finally: gone, but not forgotten..... 1998 D2 PF S8. AgateGrey/Platinum. Every option (I think) except electric rear seats, tiptronic steering wheel, ski hatch, towbar & dimming door mirrors. e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course.  (internal dimming mirror added later)1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon, Auto-dim mirror, Leather, Trip computer, Cruise control, OEM Ford SatNav with CD changer. And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850! 
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#3
3rd November 2015, 01:55 PM
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Sometimes they work with the wash, sometimes they don't.
Sometimes they work sans wash, sometimes they don't. Garage checked the mechanism and said it's not corroded but gave it a good rinse with lubricant anyway. All the while they had the car the wipers behaved. 5 minutes after i drove off, they stopped working. They said they've replaced loads on VAG group wiper mechanisms as they are metal part running through an alloy bodyshell (or the other way around) and where the two metals meet that's where they corrode. Either way, they said the problem has been on VW's / Skodas etc for years and still exists on the newer models.
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#4
4th November 2015, 02:58 PM
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Mine did this on a previous D2. The commutator in the motor was so worn that sometimes the brushes didn't make proper contact and sometimes they did.
Replacement motor from our sponsors sorted it.
__________________
2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim. Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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#5
4th November 2015, 09:26 PM
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That is what I wanted to hear - thank you.
I suspected something along those lines after reading a thread here and there was a photo of a worn motor; I had a hunch the wipers were being affected by movement and a lurch or bump was making a connection somewhere (or stopping a working connection). Plus it's got worse over the last year, indicating something was wearing out. I know the switch is good; I know the mechanism isn't rusty; it had to be the motor or a connection to it. I'll get one ordered in the morning.
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#6
5th November 2015, 08:28 AM
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Quote:
Not had it on a D2 (yet) but I have had the same fault on other cars. Sometimes it's just worn out brushes I think. When the brushes get so worn that they're close to the end of their travel, the spring tension becomes too weak to make a reliable contact with the commutator. I can remember on one car I had the fault on (a BX I think), reaching out of the window in the pouring rain to give the wipers a nudge, which was usually enough to get them going again.
__________________
Mark ------------------------------------------------------ 2002 FE S8 Ebony Black Pearl ------------------------------------------------------  ------------------------------------------------------ Cars Owned: The Tesla Era: 2020 Model S Performance Ludicrous+ (present) (Black, with all black premium interior and carbon fibre décor, 21" sonic carbon twin turbine wheels and FSD capability) The Audi Era: '97 A8 4.2 (Ming Blue) --> '96 A8 4.2 QS (Dark Green) --> '02 FE S8 (present) The Citroen Era: '84 BX 1.6 RS --> '89 BX 1.9 DTR Turbo --> '94 XM 2.0L Turbo --> '96 XM 2.0L Turbo Exclusive --> '00 Xantia Activa 2.0L Turbo The Banger Era: '76 1.2L Lada VAZ-2101 (Ruski Fiat 124) --> '80 1.7L Morris Ital HL, finished in Ermine White and Rust
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#7
5th November 2015, 01:08 PM
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Ouch. £300 for a wiper motor from the local Audi dealer.
A8 Parts had 2 in stock at half that but I'd be replacing a 13 year old motor with... an even older motor and that doesn't make sense. That's my Xmas present from Mrs303 sorted.
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