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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Fuel leak :-(
After a good weekend of fixing a boat gear selector and tracing wiring faults, then Sunday doing recovery training in the 110 and then Monday out doing rescue for a Landy comp safari event Monday eve the 110 decided that it didn’t like my fuel and decided to give me a leak.

A leak that bad there are diesel spots all over the rear spare wheel, x member, towbar legs, fuel tank and on the drive.

Had a quick look and appears to be from the top of the tank. Even starting the car up and driving up and down the drive to turn around results in a puddle and lumpy idling until its be ran for a minute or so.

Is there a common leak from the top of the fuel tank? 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #706031 8th May 2018 3:54pm
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X4SKP



Member Since: 29 Nov 2013
Location: Berkshire
Posts: 2303
United Kingdom 2010 Defender 90 Puma 2.4 SW Stornoway Grey
Hello excossack

Yes.

Probably not the Tank but the Fuel Breather Pipe attached here...
a Search on D2N will show this particular LR feature... Shocked

Good Luck SKIP
https://www.defender2.net/forum/topic83242.html
Post #706036 8th May 2018 4:09pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Thanks, I will take a look. I do have a spare one, as I had spotted the end of the pipe that goes to the filler neck was showing signs of it splitting.

When I had a look the top of the tanks was certainly wet but could not locate exactly where (unless fuel breather being split is squirting the fuel out and then running down from the top of the tank? There is wetness on the passenger side of the tank guard. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #706038 8th May 2018 4:20pm
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X4SKP



Member Since: 29 Nov 2013
Location: Berkshire
Posts: 2303
United Kingdom 2010 Defender 90 Puma 2.4 SW Stornoway Grey
This is all it took on mine...


Click image to enlarge

apparently a 110 is easier to get at than the 90 so good luck... Thumbs Up SKIP
https://www.defender2.net/forum/topic83242.html
Post #706040 8th May 2018 4:33pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Cheers. I had a quick look this morning and now it raining.
Decided to send the 110 into the garage as I am lacking in time this week, but I will be sure to mention the possible split hose to the mechanic. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #706042 8th May 2018 4:43pm
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TJH1985



Member Since: 22 Aug 2016
Location: Midlands
Posts: 238
United Kingdom 
Mine did the same was both breather hoses:



Click image to enlarge



Click image to enlarge
Post #706048 8th May 2018 5:25pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Is that the breather to the little egg shaped thing in the passenger rear wheel arch?
It must be age thing, we are go wrinkly in the end... 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #706050 8th May 2018 5:30pm
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TJH1985



Member Since: 22 Aug 2016
Location: Midlands
Posts: 238
United Kingdom 
That’s the one Thumbs Up
Post #706053 8th May 2018 5:44pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
So...Possibly 2 split hoses then Sad 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #706056 8th May 2018 6:00pm
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Welshsurferdude



Member Since: 23 Feb 2012
Location: Newport
Posts: 2460
Wales 
my 2008 on 180k has started doing it 3 weeks ago, haven't had time to get it in, only does it when its full but at 6-700 miles a week it doesn't stay full for long Rolling with laughter 2011 Santorini Black USW XS.

2015 Discovery 4.5 Black pack Firenze red XS
Post #706083 8th May 2018 8:35pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Mine is just under half full and dripping well but only with fuel pump going. So what it will be like driving, no idea! 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #706090 8th May 2018 8:56pm
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TJH1985



Member Since: 22 Aug 2016
Location: Midlands
Posts: 238
United Kingdom 
Mine only did it with a fairly full tank as well, I assumed it was when sloshing about and exiting through the breathers.

When fuel pump running would probably indicate one of the fuel pump lines instead?
Post #706095 8th May 2018 9:09pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
I was leaning towards a return hose as it take 10/20 seconds before fuel starts leaking 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #706105 8th May 2018 9:30pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
110 is in the garage having its rear end fiddled with. Last seen the fuel was being drained. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #707090 14th May 2018 1:15pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5951
United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
All fixed. Turned out to be a fuel hose at the top of the tank. As you look at the fuel pump from the rear, it was the pipe nearest to the drivers side. (Low pressure return line?) 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #707149 14th May 2018 7:35pm
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