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Hunky Gibbon01

Member Since: 20 Mar 2017
Location: Dorset
Posts: 90

2009 Defender 90 Puma 2.4 XS CSW Zermatt Silver

Leaking water front passenger wing right at front

Hi all. The defender seems to be leaking from the screen wash Reservoir because I couldn't find the source of any of the leaks. Has anyone had the same issue?
From a quick research on the website it looks like I might need a bottle cap but I don't know the part number or the size I think it might be 38mm.
Can I have a opinion, parts number and approx size of the bottle cap diameter?
Thanks a bunch HG.

5th Jul 2018 8:09pm

mk1collector

Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

Washer bottle caps are available on eBay in black or blue

eBay Item No. 292144315072 Ray
My build thread
http://www.defender2.net/forum/topic17615.html

5th Jul 2018 8:13pm

mk1collector

Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

I’d get a torch and see if the pipes are pushed onto the pumps fully and the pumps are fully pushed into the bottle first though. Ray
My build thread
http://www.defender2.net/forum/topic17615.html

5th Jul 2018 8:15pm

AndyT66

Member Since: 19 Sep 2016
Location: Bedford
Posts: 148

2004 Defender 90 2.5 TD XS CSW Zambezi Silver

My 2003 leaks when the washer bottle is topped up, so must be out of the cap. Initially I thought it was coolant but traced to the washer bottle, one of the advantages of having blue washer fluid and pink coolant.

5th Jul 2018 8:35pm

Hunky Gibbon01

Member Since: 20 Mar 2017
Location: Dorset
Posts: 90

Thank you I've bought a cap anyway it's only a couple of quid. And will check the pumps thank you very much for advice.

5th Jul 2018 8:50pm

midlife

Member Since: 15 Apr 2015
Location: Cork
Posts: 122

Being a tight was I cut up and old bike inner tube and made a gasket for my top and it's not leaked since

5th Jul 2018 11:23pm

zsd-puma

Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

2010 Defender 110 Puma 2.4 USW Santorini Black

AndyT66 wrote:
My 2003 leaks when the washer bottle is topped up, so must be out of the cap. Initially I thought it was coolant but traced to the washer bottle, one of the advantages of having blue washer fluid and pink coolant.

They have a breather hole in them as well as not sealing that well. When you fill it up to the brim with cold fluid, the fluid warms up and expands so it leaks out. It doesn't really matter though, it's not corrosive or anything and it's usually only a small amount.

5th Jul 2018 11:30pm

AndyT66

Member Since: 19 Sep 2016
Location: Bedford
Posts: 148

Thanks for that tip ZSD, I must admit I had a "oh no where's that coming from" moment when it first happened!

5th Jul 2018 11:50pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19620

As ZSD mentions above.
Mine does it too, and only when topped right up when fluid is sloshed about. There is a tiny little breather right in the middle of the cap too.
No problems or issues to worry about if it leaks a bit, it won't do any harm.
My washer fluid is apple green.

Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

6th Jul 2018 12:52am

Laurie

Member Since: 22 Feb 2008
Location: Sussex, England
Posts: 2897

2005 Defender 90 Td5 XS CSW Bonatti Grey

Have you got air-con....?

6th Jul 2018 12:55am

Hunky Gibbon01

Member Since: 20 Mar 2017
Location: Dorset
Posts: 90

Yes i do.

7th Jul 2018 4:04pm

Laurie

Member Since: 22 Feb 2008
Location: Sussex, England
Posts: 2897

Could it just be the ice melting from the condenser when you stop?

8th Jul 2018 2:13am

zsd-puma

Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

condensation drain is in the middle right above the gearbox.

8th Jul 2018 12:02pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19620

Aircon does dump fluid, especially in this weather.
We used to have a Navara D40 that used to do it. Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

8th Jul 2018 12:50pm

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