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russgs
Member Since: 28 Jun 2008
Location: Herts
Posts: 49
  
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on long motorway runs to Spain the viscous/cooling fan has been on almost constantly, even worse when on no throttle going down hill, it sounds like a jet at full pelt!
temperature has varied from 17 degrees in sheets of rain, to 42 degrees iin hot sun, averaging 90mph and it is on constantly, this is the third time we have done this trip in this car and it has never done this before.
No warning lights, car fully loaded, fuel consumption is horrendously poor when fan comes on and improves massively when it goes off.
Taking her to the dealers on thursday, but was looking for any suggestions/ideas please?
my shortlist so far is.
Air temp sensor
Fuel temp sensor
EGR valve stuck open (as we are having the slight hesitation and black smoke when accelerating hard from a rolling start)
Out of warranty too, so i'm not keen on some ridiculous bill!
Thank you  2006 D3 HSE
2004 BMW R1200GS <-- it's a two-wheeled disco
2008 Suzuki Splash (sick of my D3 being wasted on the school run)
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 28th Jul 2009 10:31 am |
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Bodsy
Site Sponsor
Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
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Could just be that the intercooler needs cleaning out with a slow running hose  Bodsys Brake Bible
D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling
Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here
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| 28th Jul 2009 10:56 am |
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DiscoDunc
Member Since: 08 May 2006
Location: Bristol
Posts: 16390
  
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What Bodsy said. If you have used it offroad its probably clogged with clay/mud. if you havnt then id give it a clean anyway and see if there is a difference. Duncan
-----------------------------------------------------
If I'd known I was going to be so thirsty this morning I'd have drunk more beer last night.
FFRR Autobiography 4.4 SDV8 MY17
D4 HSE MY13 SOLD
FFRR 3.6 Vogue TDV8 SOLD
D4 HSE MY10 SOLD
D4 SE TECH MY15 SOLD
D4 XS MY12 SOLD
D4 HSE MY10 SOLD
D3 HSE MY06 - Re-Cycled Worldwide
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| 28th Jul 2009 11:11 am |
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matt_tdv6
Member Since: 05 Feb 2009
Location: Lincolnshire
Posts: 937
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If you need a viscous i have one without a fan in the "For Sale Section"
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| 28th Jul 2009 11:42 am |
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JF Lux
Member Since: 08 Sep 2007
Location: A little country in Europe
Posts: 3522
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Agree with Bodsy and DsicoDunc.
Plus a possible air temp sensor problem - have you had "Engine System Fault" message coming up but with no power loss, bongs, warning lights etc ?
I recently had the same issue as you along with the warning message. Dealer diagnosed a sensor error which they quickly replaced.
However my radiator was clogged full of mud and the intercooler was caked in the same.
Since cleaning out the rad and intercooler I don't have the fan running and the message no longer appears.
(I think I have a picture of the radiator in my gallery - see if yours looks the same...) The next American ex-pat that calls it a "truck" is going to find out what 2.7 tons feels like on their foot...
Club "yes, I too have had the EGR's replaced..."
Club "yes, I too have had the compressor replaced..."
Club "yes, I too once had the car at the dealer for a couple of weeks nearly 4 weeks over 4 weeks...5 weeks"
Club "yes, I too have had EPB failure..."
Club "yes, I too get mysterious bings and bongs..."
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| 28th Jul 2009 12:12 pm |
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russgs
Member Since: 28 Jun 2008
Location: Herts
Posts: 49
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thank you for the quick reply chaps.
last off roading was way back in Feb I think, the only thing that has changed was the oil, although I did find stacks of mud under the car which i washed out with a sprayer, so i could have blasted it all in the wrong direction! 
please enlighten me on slow hosing the intercooler, where does one hose? 2006 D3 HSE
2004 BMW R1200GS <-- it's a two-wheeled disco
2008 Suzuki Splash (sick of my D3 being wasted on the school run)
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| 28th Jul 2009 12:16 pm |
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JF Lux
Member Since: 08 Sep 2007
Location: A little country in Europe
Posts: 3522
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Look at this thread in Tips and Tricks.
http://www.disco3.co.uk/forum/topic33058.html
All you need to know The next American ex-pat that calls it a "truck" is going to find out what 2.7 tons feels like on their foot...
Club "yes, I too have had the EGR's replaced..."
Club "yes, I too have had the compressor replaced..."
Club "yes, I too once had the car at the dealer for a couple of weeks nearly 4 weeks over 4 weeks...5 weeks"
Club "yes, I too have had EPB failure..."
Club "yes, I too get mysterious bings and bongs..."
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| 28th Jul 2009 12:22 pm |
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russgs
Member Since: 28 Jun 2008
Location: Herts
Posts: 49
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perfect, thanks, tis currently 100 degrees so i may wait until a little later! 
no bings or bongs or warning lights on dash. 2006 D3 HSE
2004 BMW R1200GS <-- it's a two-wheeled disco
2008 Suzuki Splash (sick of my D3 being wasted on the school run)
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| 28th Jul 2009 12:24 pm |
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Roel
Member Since: 16 Aug 2008
Location: home
Posts: 1215
 
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Ok I had a simular problem so I will clean my intercooler, but were can I find it?  Roel
1997 Camel Trophy Disco ex-P101JWK (traded it for a Britains 42101)
1984 90 TD5
2005 G4 Disco 3 BN55WPT
Also member of club MTR
and Club Faultmate
Interested in my 4x4 history see my website: www.mudmachine.webklik.nl
Sorry it's in Dutch and with google translator it gets funny.
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| 28th Jul 2009 12:33 pm |
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DingMark
Member Since: 14 Sep 2007
Location: Perth Oz or Erbil, Iraq
Posts: 388
 
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Ah yes, the simpler pleasures of the V8... Jim Dowell - D4 HSE TDi, 12,000 hydraulic winch & hidden winch mount, MTRs, TyreDog, Traxide 2 x aux battery system, fixed air compressor, Dolium roof rack, MitchHitch.
RIP 2005 D3 HSE V8 5 seater gold (stolen and torched)
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| 28th Jul 2009 1:51 pm |
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russgs
Member Since: 28 Jun 2008
Location: Herts
Posts: 49
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DingMark wrote:Ah yes, the wallet emptying pleasures of the V8...
anyway an UPDATE for those who care (he he)
Stripped out as suggested, almost no mud in there, found a small amount in each corner but 90% of the matrix was clear of mud....
found a very small amount of oil in the large pipe that leads to the central induction chamber (?) (centre top of engine, pipe comes up from between airbox and brake cylinder box)
my money still says egr.... (be good to as LR only fixed it a few months ago in warranty, so fixing it again will be under warranty)...gonna take the thing out when i get home 2006 D3 HSE
2004 BMW R1200GS <-- it's a two-wheeled disco
2008 Suzuki Splash (sick of my D3 being wasted on the school run)
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| 29th Jul 2009 10:35 am |
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