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Andy W
Joined: 03 May 2015
Posts: 559
Location: Brighton
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 Posted: Sun Dec 04, 2016 18:32 Post subject: Fuel Tank Connections |
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Having pulled out the fuel tank this afternoon, I was quite surprised to see how complicated (to a degree!) the set up is for the fuel level and/or breather.
http://i1074.photobucket.com/albums/w416/cw_familyAndyW/Fuel%20Tank_zps7gmdlxts.jpg
B - this is where the electrics connect to the tank and presumably the level sensor.
A,C & D are confusing me, what is their purpose? they have tube connecting them together and something that possibly is a breather between them; if it is a breather, why two, if it isn't a breather, then what is it?
Cheers,
Andy
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| Posted: Sun Dec 04, 2016 18:32 Post subject: Google Ads keep this community free to join! |
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andyman
Joined: 08 Dec 2012
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Location: Penrith
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| Posted: Sun Dec 04, 2016 20:10 Post subject: |
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Are they not pumps - one at each end of the tank so you don't get fuel starvation on steep gradients with low fuel?
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Andy W
Joined: 03 May 2015
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Location: Brighton
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| Posted: Sun Dec 04, 2016 20:46 Post subject: |
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Thanks Andyman; the big hole in the top left is a flange with the main pump suction and return lines on it, A&D are not connected to this and don't have any electrical hook up so I don't think they are pumps.
Andy
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Lewis
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Joined: 25 May 2006
Posts: 16296
Location: Huddersfield
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| Posted: Mon Dec 05, 2016 0:19 Post subject: Re: Fuel Tank Connections |
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| Andy W wrote: |
| A,C & D are confusing me, what is their purpose? they have tube connecting them together and something that possibly is a breather between them; if it is a breather, why two, if it isn't a breather, then what is |
It is the tank breather. The central item has a one way valve in, to stop water getting in when wading.
A vent at front and rear is down to it being an offroader, for when you are either ascending or descending very steep inclines. 
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Andy W
Joined: 03 May 2015
Posts: 559
Location: Brighton
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| Posted: Fri Dec 09, 2016 11:08 Post subject: |
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Thanks for that Lewis, pretty logical really!
I was surprise at the corrosion on the suction and return pipes on the manifold bolted to the tank; it wasn't life threatening as such but needed a good clean up and then some phosphoric acid and a repaint - its all good now though.
Tank back in at the weekend hopefully with the new Webasto suction connection fitted. I also thought it might be a good experiment to put the diesel in a few litres at a time and mark it off on the fuel gauge on the dashboard to make the gauge a bit more accurate as it seems to take a long time to go from full to half full and then no time from half to empty.
Andy
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andyman
Joined: 08 Dec 2012
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Location: Penrith
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| Posted: Fri Dec 09, 2016 11:59 Post subject: |
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Mine's like that. I thought it was something to do with my right foot! 
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Andy W
Joined: 03 May 2015
Posts: 559
Location: Brighton
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| Posted: Fri Dec 09, 2016 14:13 Post subject: |
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Yes, driving faster to get to the gas station faster to fill up as the level is getting lower!
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andyman
Joined: 08 Dec 2012
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Location: Penrith
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| Posted: Fri Dec 09, 2016 21:25 Post subject: |
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You got it! Except in a L300, it gets louder more than it gets faster!
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