series 3 fuel line routing under bonnet

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Danetype3
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#1 series 3 fuel line routing under bonnet

Post by Danetype3 » Sun Mar 21, 2021 4:21 pm

Hello everyone,

I am redoing the fuel lines on a series 3, V12 and I am unclear as to how the fuel lines and hoses are supposed to be routed between the bulkhead and the engine.

The parts manual is very schematic here. Coming from the reaction bracket, the feed line ends vertically near the bulkhead and a hose is connected there, going all the way to the engine?

The return line is even more unclear in the manual.

A picture of a factory standard version would be of great help :bigrin:

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Bob.
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#2 Re: series 3 fuel line routing under bonnet

Post by Bob. » Mon Mar 22, 2021 11:55 am

Hi,
Sorry for out of focus and grainy images but these might give you some clues.
Bob

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Image

Image
Bob
'71 S3

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Danetype3
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#3 Re: series 3 fuel line routing under bonnet

Post by Danetype3 » Mon Mar 22, 2021 4:48 pm

Great Bob, much clearer now!

Your "return 2" pictures show the return line-to-hose connection very well. Is the feed line-to-hose basically the same?

Thanks, Paul

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#4 Re: series 3 fuel line routing under bonnet

Post by Bob. » Mon Mar 22, 2021 6:30 pm

Hi Paul,
Yes the feed side is basically a mirror image of the return system with a Pclip fixing the flex hose to the RH frame gusset plate - just visible as a blury item at the head of the bottom arrow in Feed-2.

This is the feed rigid to flex transition -

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Bob
'71 S3

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#5 Re: series 3 fuel line routing under bonnet

Post by Danetype3 » Tue Mar 23, 2021 5:05 pm

Wonderful, thanks Bob!

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