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Laurie



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

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
Noisy fuel pump
My Ninety's making a noise like an angry bumblebee.
Is this a sign of imminent pump failure?
Why do he prices on Ebay vary so much? £230 - £80 Confused 
Post #143759 7th May 2012 11:19am
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big steve



Member Since: 24 Dec 2009
Location: hertfordshire
Posts: 2456

United Kingdom 2015 Defender 90 Puma 2.2 HT Montalcino Red
I personally would only put a genuine one back in and make sure it's the right one

Steve 2015 2.2 tdci hardtop xs
3.2 conversion DONE 238bhp and 707nm torque and thats just the start ;-P
hybrid turbo in build -done ready to fit
ashcroft atb in transfer box
6 speed auto in build
Post #143763 7th May 2012 11:31am
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Laurie



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

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
All the Ebay items claim to be new genuine OEM WFX000250
I believe no pattern pumps exist. 
Post #143767 7th May 2012 11:43am
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big steve



Member Since: 24 Dec 2009
Location: hertfordshire
Posts: 2456

United Kingdom 2015 Defender 90 Puma 2.2 HT Montalcino Red
Oh I think they do try Duckworth parts if nothing else you will get free delivery I bought mine from them when mine went on my old truck
Again though make sure it's the right one as they do vary but Duckworth should sort it with the chassis number
It's not that bas a job to do just make sure your tank is nearly empty

Stve 2015 2.2 tdci hardtop xs
3.2 conversion DONE 238bhp and 707nm torque and thats just the start ;-P
hybrid turbo in build -done ready to fit
ashcroft atb in transfer box
6 speed auto in build
Post #143770 7th May 2012 11:48am
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5431

2006 Defender 110 Td5 USW Zermatt Silver
My pump became noisy suddenly, and it was the injector washers.

Worth considering
Post #143789 7th May 2012 2:48pm
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Nick T



Member Since: 29 May 2011
Location: Bolton
Posts: 203

England 2010 Defender 90 Puma 2.4 HT Galway Green
As above-check injector seals first Exclamation
Post #143794 7th May 2012 3:20pm
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Killer90
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Member Since: 09 Oct 2011
Location: Hertfordshire
Posts: 6478

United Kingdom 2016 Defender 110 Puma 2.2 XS DCPU Fuji White
yep injector seals i had the same on my 90 only a couple of months back luckily turned out to be the injector seals £20 instead of £200 Thumbs Up
Post #143795 7th May 2012 3:26pm
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Laurie



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

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
Thanks guys - will do Very Happy 
Post #143821 7th May 2012 5:16pm
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Gareth



Member Since: 12 Dec 2011
Location: Bramhall
Posts: 1038

England 2003 Defender 90 Td5 CSW Oslo Blue
I presume that injector seals make the noise emanate from the engine bay, faulty pump from underneath the tank? Is this correct? 2021 Defender 110 X-Dynamic HSE D300 MHEV
1966 S2a 109 aka Betsy
1968 S2a 88 aka Bob
2014 Jaaaag F Type 3.0 Supercharged.
Post #143832 7th May 2012 6:10pm
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6047

United Kingdom 2006 Defender 110 Td5 SW Epsom Green
GarethR wrote:
I presume that injector seals make the noise emanate from the engine bay, faulty pump from underneath the tank? Is this correct?



I think the injector seals let air pass through the pipe, leading to air getting sucked through the pump, making funny noises.


I think.... Question Question
Post #143837 7th May 2012 6:30pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5431

2006 Defender 110 Td5 USW Zermatt Silver
Yep, that's it.

Failed seals allow air in the system, so pump is noisy as is circulating aerated fuel.
Post #143857 7th May 2012 8:07pm
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cradgebank



Member Since: 30 Dec 2008
Location: Nottingham
Posts: 308

England 2008 Defender 110 Puma 2.4 XS CSW Stornoway Grey
Also check the gauze filter that is part of the pressure regulator, if that is blocked with sediment it will give the same symptoms. Richard

Either a 90, 110 or 130.
Discovery 5
Post #143899 8th May 2012 5:18am
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Laurie



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

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
New set of seals ordered.
Also, just in case, a Bearmach pattern pump (£99).
If we need to use it, I'll report back here.

Thanks for your help and suggestions. Very Happy 
Post #144138 9th May 2012 4:48pm
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wslr



Member Since: 18 Jul 2010
Location: Wellington, Somerset
Posts: 581

United Kingdom 
The only pumps worth buying are the Genuine Part or the VDO (OEM) pumps. Anything else will just about last the warranty period. Not too much of an issue with a Discovery as access is easy, but not so easy on a Defender.

If the pump is noisy, chances are it is about to fail.

Listen to the pump running during a purge cycle. Ignition on and press the accelerator pedal down 5 time. The amber MIL will flash on the instrument pack. Pump will run cycles. If the pump is noisy through the cycle, it probably needs replacement.
Post #144144 9th May 2012 5:15pm
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Laurie



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

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
Thanks for the suggestion.
We have a Discovery hatch plate which will be fiited at the same time. Wouldn't risk a pattern pump otherwise. 
Post #144151 9th May 2012 5:35pm
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