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Firebird



Member Since: 27 Oct 2023
Location: Helsinki
Posts: 10

Finland 2000 Defender 110 Td5 SW Epsom Green
Replacing fuel hose (TD5) / inspection hatch.
I'm about to replace the fuel hoses WJP107940 on my Defender 110 (yr2000) TD5 as my high pressure hose has a hole in it!

Luckily, I have an inspection hatch in my floor. My questions are... Is it relatively straightforward to physically replace the hoses? Is it just a case of feeding them through and connecting them up?

I know that I have to go through a fuel pump bleeding cycle by pressing the accelerator 5 times afterwards etc... I'm just wondering how hard they are to replace or anything I should know now that'll make it easier to do. I'm very thankful to have the hatch in the floor at least!
Post #1012836 27th Oct 2023 11:45am
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 798

France 2002 Defender 110 Td5 DCPU Chawton White
Yes correct, disconnect at pump pull back, feed back in and reconnect.

Don't mix the hoses
The fuel filter connection can be sources of air entry either because they have corroded and possibly if they are disturbed.
Dont bend the plastic lines, the could be brittle by now and crack

There looks to be an air/garden hose in your bundle so I expect it has been messed with. You can either keep on messing or consider buying or getting a new hose set from engine to pump with the filter in the middle.
Post #1012838 27th Oct 2023 12:17pm
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Firebird



Member Since: 27 Oct 2023
Location: Helsinki
Posts: 10

Finland 2000 Defender 110 Td5 SW Epsom Green

Click image to enlarge

I’m about to take the faulty file line out. Can someone please confirm that the one indicated with a green sticker (fuel pump end) is the one that goes onto the filter as per my arrow at the other end.

As this is my first time attempting this, can I ask what I should expect? I.e Will a large volume of diesel spill out? Also I haven’t got a pair of fuel line clip pliers. Are they really needed? Any tips here for getting the line out at both ends? I guess removing the back right wheel will also help with access etc.

Many thanks for your knowledge and help.

Click image to enlarge
Post #1013585 1st Nov 2023 10:09pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1571

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Clean the connections with some brake cleaner or wd40 and blow with the air gun or hoover all the debris away first this will help them come out without breaking. A pair of 45 degree needle nose pliers is the best tool I’ve found to squeeze the tangs, take the ones of next to it as it makes removal easier for access to the clips. Some diesel will spill but not a lot. Take the keys out so no one turns the pump on by accident.

You will probably have to take the pair off at the filter to get them out. Again make sure you clean the locking square parts out, it make removal and damage less likely.

I have a pair of pliers like these for squeezing the square button clips off makes it so much easier

https://www.amazon.co.uk/Kraftmann-413-Spa...&psc=1
Post #1013596 2nd Nov 2023 12:13am
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DSC-off



Member Since: 16 Oct 2014
Location: North East
Posts: 1352

United Kingdom 2015 Defender 110 Puma 2.2 XS CSW Aintree Green
The green marked hose in your photo is the supply from the pump to the fuel pressure regulator.
The black hose in the diagram below is the low pressure return from filter to pump. Thumbs Up


Click image to enlarge
Post #1013597 2nd Nov 2023 12:22am
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Firebird



Member Since: 27 Oct 2023
Location: Helsinki
Posts: 10

Finland 2000 Defender 110 Td5 SW Epsom Green
That diagram is just what I needed. Many thanks for your help.
Post #1013620 2nd Nov 2023 10:51am
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Firebird



Member Since: 27 Oct 2023
Location: Helsinki
Posts: 10

Finland 2000 Defender 110 Td5 SW Epsom Green
Is there a way to fix a WJP107930 line that has a hole in it? Being in Finland, may take some time to get a replacement line sent over from the UK. Maybe take it to hydraulic hose place for repair or any other ideas? Many thanks.
Post #1013632 2nd Nov 2023 12:11pm
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DSC-off



Member Since: 16 Oct 2014
Location: North East
Posts: 1352

United Kingdom 2015 Defender 110 Puma 2.2 XS CSW Aintree Green
Hi, I did the same job recently and just replaced the hose with standard high pressure fuel hose, of the correct inside diameter. Hose clips (Jubilee clips) were used to secure it to the original plastic fittings.
The hose was from a local car parts supply shop for only a few £.
Post #1013639 2nd Nov 2023 12:50pm
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 798

France 2002 Defender 110 Td5 DCPU Chawton White
There are a whole bunch of fuel hose solutions on the market probably better and cheaper than buying the performed LR hoses, but you have to be a little creative. You can buy the same nylon hose and the fittings and a tool to insert the fittings on the hose (press fit) or there are press fittings as well.

Rubber hose with hose clamps could be used for short term, but is not a very reliable long term solution
Post #1013643 2nd Nov 2023 1:22pm
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MadTom



Member Since: 10 Sep 2013
Location: Olomouc
Posts: 578

Czech Republic 1999 Defender 130 Td5 HCPU Baltic Blue
What is bad on proper rubber hoses designed for fuel and with enough pressure rating? They just need some clamps to stop vibrating. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo Smile
Post #1013692 2nd Nov 2023 8:51pm
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 798

France 2002 Defender 110 Td5 DCPU Chawton White
Because with time they tend to crack/ooze. I am sure there is probably some high quality rubber out there that does not, but I have fitted some rubber hose purchased as fuel hose that did not live particularly long before needing replacement.

I have has better luck with PTFE style hose, but obviously it's your choice.
Post #1013744 3rd Nov 2023 4:59am
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2052

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
I don’t suppose…

Anyone has the dimensions for the ‘retrofitted inspection hatch’ on a 90 (TD5).

I know it isn’t the most difficult measurement to make but I’d rather learn from others’ mistakes…
Post #1013859 4th Nov 2023 10:25am
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jim4244



Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 641

England 1998 Defender 90 300 Tdi CSW Epsom Green
Scrabble

I cut a circular hatch in the floor of a TD5 I owned a few years ago and then installed a watertight marine/boat hatch.

This post has the measurements, photos and YouTube link

https://www.defender2.net/forum/post823648.html#823648

Jim
Post #1013881 4th Nov 2023 12:56pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2052

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
You absolute star Jim!

Thank you very much 👍
Post #1013895 4th Nov 2023 2:10pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2052

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Just ordered my 200mm marine hatch 👍
Post #1013922 4th Nov 2023 6:07pm
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