Add some Milton sterilising fluid to the reservoir. Gets rid of the mould you can't flush out..
Dean
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2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
8th Sep 2022 4:47 am
V8man
Member Since: 01 Jan 2021
Location: Dunno i was just following the satnav😳
Posts: 288
As per hardware , some washer fluids get black mould growing in them when left standing for a long time. You need to flush out with mould killer such as milton or similar.1996 Defender -died (now in landrover heaven😇)chassis to ashes , rust to dust !
2004 Defender td5 gone
2012 Evoque gone
2007 D3 V8 HSE
8th Sep 2022 9:43 am
lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
I quite often find a very fine sticky sludge in the flex hoses to the jets on trucks.
Been using that cherry (not the ready mixed stuff!) screenwash from halfords and not had blocked jets for maybe a decade
8th Sep 2022 3:14 pm
LT
Member Since: 31 Dec 2005
Location: South West
Posts: 23413
I had to siphon out the washer bottle on my FFRR, added a tube of Steradent tablets and water. Left that for a day and siphoned it out, quite a lot of black particles came out. I repeated the process, but with the pipes filled with the Steradent mix.
I’ve never had the problem before, but I think it was caused by having a too weak mix of washer fluid.2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography
8th Sep 2022 3:48 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10385
I’ve always thought the yellow Halfords stuff from decades ago caused it.
Use holts now
8th Sep 2022 5:11 pm
sol_stevo
Member Since: 17 Jul 2021
Location: The Empire
Posts: 174
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