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diesel_jim



Member Since: 13 Oct 2008
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Posts: 6088

United Kingdom 2006 Defender 110 Td5 SW Epsom Green
Fuel pumps?
The pump on my project90 is whining like a banshee. so much that it's (obviously knackered) not giving enough pressure to run the engine (at least that's what I think is up with it.... it ran last week for a short while whilst I was playing with it, but as I had no fan belt on as there was no radiator/pipes/PAS pipes I didn't want the engine to get hot, so just ran it for 10 seconds or so)


Can these pumps be swapped with a disco one? are they the same size etc? can one pump be built out of 2 (i.e. the knackered lower bit of my 90 pump and the good working bits of a disco one??)

Or a 110 one?


Any ideas (apaft from forking out for a *new* one)
Post #182046 4th Nov 2012 6:25pm
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Laurie



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

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
As long as you use the Ninety 'frame' to keep the depth right, I can't see any reason why not. 
Post #182068 4th Nov 2012 6:54pm
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diesel_jim



Member Since: 13 Oct 2008
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United Kingdom 2006 Defender 110 Td5 SW Epsom Green
That's what I thought. cheers
Post #182070 4th Nov 2012 6:56pm
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diesel_jim



Member Since: 13 Oct 2008
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United Kingdom 2006 Defender 110 Td5 SW Epsom Green
So.... the disco Td5 fuel pump is exactly the same as a 90 (and I suspect a 110) pump, just the float arm is different... but they unclip, so it takes about 30 seconds to swap them over.

Handy tip! Thumbs Up
Post #183787 10th Nov 2012 5:58pm
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yobbie



Member Since: 15 Nov 2010
Location: Isle of Wight
Posts: 712

United Kingdom 1999 Defender 90 Td5 Heritage LE Bronze Green
Do you know the position in the floor that would needed to be cut to make a hatch to be able to remove a pump without removing the tank?
Post #183864 10th Nov 2012 9:17pm
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diesel_jim



Member Since: 13 Oct 2008
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United Kingdom 2006 Defender 110 Td5 SW Epsom Green
On a 90? Yes, got mine cut out with an inspection plate.

Will post up the dimensions tomorrow.
Post #183872 10th Nov 2012 9:39pm
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yobbie



Member Since: 15 Nov 2010
Location: Isle of Wight
Posts: 712

United Kingdom 1999 Defender 90 Td5 Heritage LE Bronze Green
Thanks, it's a job I always thought could be worthwhile. Thumbs Up
Post #183874 10th Nov 2012 9:42pm
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diesel_jim



Member Since: 13 Oct 2008
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United Kingdom 2006 Defender 110 Td5 SW Epsom Green
Download .pdf for 110 Td5 tanks


Download .pdf for 90 tank


The writing is in Italian.... that's 'coz I stole them off the interweb ages back. but you can see where the hole should go easily enough.

I used an inspection plate from an old discover1 that was in the scrap yard. held in with 6 self tappers (into those locut plastic insert things)... although you could just screw straight into the floor plate if you wanted.

The disco inspection plate is plenty big enough to get the Td5 pump up through.
Post #183976 11th Nov 2012 11:43am
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yobbie



Member Since: 15 Nov 2010
Location: Isle of Wight
Posts: 712

United Kingdom 1999 Defender 90 Td5 Heritage LE Bronze Green
Can the hole be cut in the floor with the tank still in situ or does it need to be removed?
Post #211289 14th Feb 2013 9:40pm
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238kirk



Member Since: 03 Nov 2012
Location: Doncaster
Posts: 233

United Kingdom 2003 Defender 90 Td5 SW Belize Green
yobbie wrote:
Can the hole be cut in the floor with the tank still in situ or does it need to be removed?


Yes but don't cut too deep as the pipes etc are under there, I used a grinder with a thin cutting blade and just cut through the surface, you've got at least 25mm to play with though
Post #211294 14th Feb 2013 9:50pm
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Laurie



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

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
If you cut through you'll remove one of the floor reinforcing secctions. 
Post #211297 14th Feb 2013 9:54pm
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davew



Member Since: 02 Jan 2012
Location: North Yorkshire
Posts: 888

England 1990 Defender 90 V8 Petrol PU Auto Rioja Red
If you're careful you can cut a large enough inspection hole whilst retaining most of the reinforcing bar under the floor - You will need to cut 2/3 of it through though.

If you are cutting through with the tank in, as I did, put a piece of 3mm steel plate (or similar) between the tank and the floor first. You can feed the plate in from underneath if it's not too big. It still pays to be careful, only allowing the cutting blade to go through the floor by a few mm but will save you £££ if you do slip ! http://www.yorkshireoffroadclub.net/
Post #211302 14th Feb 2013 11:01pm
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davew



Member Since: 02 Jan 2012
Location: North Yorkshire
Posts: 888

England 1990 Defender 90 V8 Petrol PU Auto Rioja Red
Some pics of mine... (or Pam's !)


Click image to enlarge



Click image to enlarge



Click image to enlarge


I use a 300TDi Discovery in tank unit with an external pump in case it looks odd ! http://www.yorkshireoffroadclub.net/


Last edited by davew on 14th Feb 2013 11:18pm. Edited 1 time in total
Post #211303 14th Feb 2013 11:15pm
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Laurie



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

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
I assume thats a 110, the pump in the 90 is central, directly below the stiffener, isn't it? 

Last edited by Laurie on 14th Feb 2013 11:19pm. Edited 1 time in total
Post #211304 14th Feb 2013 11:18pm
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davew



Member Since: 02 Jan 2012
Location: North Yorkshire
Posts: 888

England 1990 Defender 90 V8 Petrol PU Auto Rioja Red
No it's a 90.

I didn't use any measurements/templates, just cut a small (ish) hole central above the in tank unit - measuring from the rear and the side to get it's position. I then increased the hole outwards until I could fairly easily remove and replace the in tank unit through the hole. Hence I managed to avoid cutting through the floor strengtheners by having the hole offset slightly.

Of course there are at least two types of TD5 90 fuel tank, I know they have different filler tube diameters, no guarantee that they both have the in tank unit in the same place ! Might be worth checking in case Land Rover did move the unit on later versus early tanks. http://www.yorkshireoffroadclub.net/


Last edited by davew on 14th Feb 2013 11:29pm. Edited 3 times in total
Post #211305 14th Feb 2013 11:19pm
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