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lee01277
Member Since: 06 May 2005
Location: Shed
Posts: 821
  
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| FBH - when does it kick in ? |
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I know this is done to death. Searching brings up zillions of returns.
I think the FBH kicks in at below 6 degrees outside temp, and below 75 degrees water temp. Am and correct ?
Ta ..............Somewhere in-between my old D3 and what's to come next .........
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 Sun Apr 06 2008 7:30pm |
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DSL
Member Since: 11 May 2006
Location: Heading here ^^^^ :)
Posts: 24213
 
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 as far as I know (unless you are low enought on fuel to have the warning light on).
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| Sun Apr 06 2008 7:32pm |
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lee01277
Member Since: 06 May 2005
Location: Shed
Posts: 821
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Ta,
Thats not good news then.
Noticed my FBH was winding down after I switched off this afternoon. Outside temp 8 degrees and the engine was well warm after a 30 min run.. ..............Somewhere in-between my old D3 and what's to come next .........
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| Sun Apr 06 2008 7:36pm |
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SN
Member Since: 03 Jan 2006
Location: Wishing I was ...
Posts: 11791
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you sure it was the FBH - the FBH makes a decreasing gurgling noise, not a whiny wind down noise, after you switch off - might have been the compressor Steve N | 2008 TDV6 SE Auto  | Was 2006 TDV6 S Auto  | Club Tunisia | Am I Online?
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| Sun Apr 06 2008 7:59pm |
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lee01277
Member Since: 06 May 2005
Location: Shed
Posts: 821
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yep, for sure it was the FBH. Hot gas coming out of the pipe as it was closing down. ( and yes, it was the usual gurgling noise ) ..............Somewhere in-between my old D3 and what's to come next .........
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| Sun Apr 06 2008 8:08pm |
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simon
Member Since: 11 Jan 2005
Location: Sitting pensively in front of the mouse trap looking at the cheese
Posts: 18155
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lee01277 wrote:Noticed my FBH was winding down after I switched off this afternoon. Outside temp 8 degrees and the engine was well warm after a 30 min run..
Could still have been going if the engine temp was not high enough. It will startup at 5 degrees from cold to assist the engine warm up, but if you have not have enough of a run to warm up the engine, it will still be running or start up during the journey.
From Wiggs...
Quote:
Fuel consumption is quoted as:-
full load (5.2kW) 0.61 litres / hour
part load (2.5kW) 0.30 litres / hour
also bear in mind that the FFBH will run if the coolant temperature drops below 70 degrees C whilst the vehicle is in use...
Full load to part load 72 degrees C
Part load to control idle 78 degrees C
Control idle to part load 70 degrees C
Part load to full load 65 degrees C
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| Sun Apr 06 2008 9:52pm |
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