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Fuel tank breather elbow repair?

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carcher

Member Since: 09 Sep 2011
Location: Bangor
Posts: 8

2009 Discovery 3 TDV6 GS Manual Indus Silver

Fuel tank breather elbow repair?

I found the fuel tank leak on the breather elbow on the 2005 Disco3. Presumably mice have eaten through the elbow. Does anyone have suggestions for repair?

(picture uploaded to my gallery below)

I am guessing it is not easily replaceable and I was thinking about making a metal plate with a new elbow fitting, and cutting the old one off flush, enlarge the hole and screw down plate with self tappers and sealant.

Any other suggestions or ideas?
Thanks
Chris

27th Jan 2022 9:10 am

rrhool

Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4540

2007 Discovery 3 TDV6 SE Manual Zermatt Silver

Click image to enlarge

Richard

D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.

Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone

27th Jan 2022 10:36 am

rrhool

Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4540

My first thought is new tank.
Looks like that elbow plate has been heat welded to the main tank body, I wouldn't risk trying to attach something to a plastic tank. Richard

D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.

Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone

27th Jan 2022 10:37 am

eightfoot

Member Since: 12 Apr 2015
Location: sunny essex
Posts: 813

2005 Discovery 3 TDV6 S Auto Bonatti Grey

rrhool wrote:

Click image to enlarge

you could try measuring the id of the plastic pipe then cutting the chewed piece off and fix something like a copper solder joint pushed into the pipe on the tank then refit the pipe onto the 90 degree copper fitting prob easier than trying to repair whats left but whatever you do get it done soon before you end up with a tank full of crud please excuse any grammer/punctuation mistakes,i'm thick,thankyou
current vehicles 2005 d3 2013 d4

27th Jan 2022 10:50 am

moorman

Member Since: 05 Jul 2009
Location: East Anglia
Posts: 276

2008 Discovery 3 TDV6 SE Auto Zermatt Silver

Had this happen on both my Disco and my Audi Allroad which I discovered after I'd dumped quite a lot of diesel on Morrisons Fuel station forecourt. To repair the Audi I found a 15mm plumbing elbow would self thread into the hole and gave me an outlet pointing in the right direction and I placed a piece of 15mm pipe into the fitting with an olive squeezed on gave me the right diameter for the small pipe. I seem to remember doing the same thing on the Disco. On the Disco I then decided Id had enough of these little b...........s and used a hot glue gun to stick stainless steel washing up scourers all around the area to pack it so tight even an ant would have difficulty getting in there. I have some photos of the Audi repair so will load those up probably tomorrow, come to think of it I may have photos of the Disco as well.

27th Jan 2022 9:59 pm

moorman

Member Since: 05 Jul 2009
Location: East Anglia
Posts: 276

Photos of Audi as promised. Cost to do this was nil. Changing the tank involves removing the rear sub frame assembly and associated suspension oh and rear axle. Didn’t fancy that.

28th Jan 2022 3:13 pm

MikeO

Member Since: 15 Jan 2014
Location: The Cotswolds
Posts: 1391

And have a look at https://www.disco3.co.uk/forum/post2127765.html#2127765

Worth a search. It's not an uncommon problem. 2016 Skoda Octavia VRS Estate
<gone>2009 FF Vogue TDV8 Buckingham Blue</gone>
<gone>2015 BMW 520D SE (not my favourite car)</gone>
<gone>2009 D3 HSE Galway Green</gone

29th Jan 2022 8:59 am

carcher

Member Since: 09 Sep 2011
Location: Bangor
Posts: 8

Thanks for the pictures, the link and the suggestions. I will investigate a plumbing fitting. I did search the forum first as it is such a wealth of information but I did not find the existing thread.

31st Jan 2022 8:24 am

carcher

Member Since: 09 Sep 2011
Location: Bangor
Posts: 8

Looking at the bigger picture - why on earth is this one bit of plastic so tasty??

31st Jan 2022 8:25 am

aja4x4

Member Since: 14 Apr 2019
Location: Westbury
Posts: 2463

2005 Discovery 3 TDV6 SE Auto Zambezi Silver

It's made a starch based plastic that tastes like a roast dinner to rodents, it's a very common problem the plastic is widely used in the automotive industry.
Mini use it on the wiring harness clips under the bonnet and the rodents eat the wiring harness at the same time Andrew

D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE

31st Jan 2022 10:04 am

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