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FBH fuel pump replacement
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boeingbbj2
 


Member Since: 21 Oct 2009
Location: West Yorks
Posts: 37

United Kingdom 2011 Discovery 4 3.0 SDV6 GS Auto Stornoway GreyDiscovery 4
FBH fuel pump replacement

Could anyone advise how to replace FBH fuel pump and rough cost Of pump please.
Thanks
  
Post #21044958th Dec 2019 3:30 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

I am not sure if it is D3 specific, if not google webasto thermtop dosing pump/fuel pump.
2 pipes, 1 plug, and whatever holds it on, most likely 1 nut/clip.

Pretty reliable things to be honest, easy to test with a battery and two pieces of wire, what is your fault?
  
Post #21044968th Dec 2019 3:38 pm
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

It is not D3 specific, BUT ThermoTop V specific....!

Thermotop c pumps will not work on your TTV for instance... also are they fuel specific....

And testing with a battery, wil not be sufficient, it is a metering pump, working on pulses and not continuous current...

If you can not find one with the site sponsors.... maybe I have a few new ones laying around somewhere....
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 
 
Post #21045008th Dec 2019 4:25 pm
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boeingbbj2
 


Member Since: 21 Oct 2009
Location: West Yorks
Posts: 37

United Kingdom 2011 Discovery 4 3.0 SDV6 GS Auto Stornoway GreyDiscovery 4

Thanks, the 4 has just had a major service at Main dealers, the FBH wasn’t working when it went in and they diagnosed no fuel pressure everything else ok, they are coming back with a price tomorrow, but wondering if poss to do myself really at there labour rates!,,
  
Post #21045218th Dec 2019 6:10 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Motolab wrote:
It is not D3 specific, BUT ThermoTop V specific....!

Thermotop c pumps will not work on your TTV for instance... also are they fuel specific....

And testing with a battery, wil not be sufficient, it is a metering pump, working on pulses and not continuous current...

If you can not find one with the site sponsors.... maybe I have a few new ones laying around somewhere....


Easy to get it to to work with a battery, two wires to pump, one to earth and pulse the live one on and off the posi terminal and there you have it one pulsed pump for priming and testing, done this loads of times, in fact only last weekend on a larger webasto.
Think they are polarity conscous?
  
Post #21046249th Dec 2019 7:13 am
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

TTV pump DP41 is completely different from a TTC or Airtop pump dp2 or dp30 , the last two are working perfectly with pulsing from a battery..

But that is not the subject here...

You can buy a decent TT-V pump for a D3 online... they are rather expensive with the LR dealer I am afraid.
Can be 160 gbp,although I have seen them on eBay for 100 gbp... watch out, they are available in both 12 & 24 v, you need the 12v obviously..

You can buy them pre-used, although I like that for some other car parts.... for such a pump, I think the difference is not worth the hassle...imho . they do wear/break without warning sometimes, when they do, it is always very cold outside, and it can be a little bit fiddely to work on, when it is cold outside..
If you can work indoors, you can take a chance if it is a lot cheaper...
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 
 
Post #21046339th Dec 2019 8:34 am
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18439

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

We've got a long-standing knowledge of diagnosing and repairing the TTV on here, we've been dealing with issues with them since 2005 Thumbs Up

The TTV pump works fine with a pulsed voltage as a test to see if there is a response.

The important difference with the TTC pump is the quantity delivered per pulse. If I remember correctly a TTC pump will over-fuel and flood a TTV heater.
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #21046379th Dec 2019 9:24 am
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

yeah Martin, i understand that..

but "we" also....., quite a few years longer with the older TT series ofcourse and from the start with the TTV, although we ended that business now in favor of other businesses... not that that is important...

does this fact (battery pulsing) help the topic owner, i think not really...

if he is looking for a pre used one, only one thing is important regarding this matter and that is in my opinion: as i stated earlyer : "" testing with a battery, wil not be sufficient" (not suffiecient meaning here, there can be more reasons that it will not work correctly) if it pulses on a battery, it can still malfunction.. that is what i meant and still do..

if the older types dosing pumps mentioned earlyer work on a battery, they use to work also on a (older)heater, but the DP41 not always, at least that is my experience...
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 


Last edited by Motolab on 10th Dec 2019 1:24 am. Edited 1 time in total 
Post #21046409th Dec 2019 9:49 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Yes pulsing will help the op as we dont know if he has a dead pump or a wiring issue, wiring ussues not unknown on older land rovers!, hence my suggestion to test the pump.
  
Post #21047789th Dec 2019 9:01 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10335

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

It’s easy to diy replace.

It’s just in front of the fuel tank.
  
Post #21048049th Dec 2019 10:55 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13568

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Saw this whilst I was on eBay and didn’t know it was suitable for the OP , know u guys will know better than myself

https://www.ebay.co.uk/itm/Webasto-DP41-Fu...Swd4tUBYXY
   
Post #210482110th Dec 2019 12:42 am
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boeingbbj2
 


Member Since: 21 Oct 2009
Location: West Yorks
Posts: 37

United Kingdom 2011 Discovery 4 3.0 SDV6 GS Auto Stornoway GreyDiscovery 4

Thanks everyone. hopefully will get it sorted now
  
Post #210524811th Dec 2019 9:46 pm
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