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| 6 cyl Bristol cars Type 400 to 406 - restoration, repair, maintenance etc |
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02-05-18, 08:54 PM
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Dave,
It is a fuel reserve soleniod . They sometimes leak and being above the fuel ,suck air leading to fuel starvation problems. Geoff 
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02-05-18, 09:09 PM
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Thanks Geoff. I was thinking it is some kind of lifter pump, as there is no other way of the fuel getting out of the tank (apart from a drain plug on the bottom) the coiled pipe is an overflow I think..I originally thought that was the fuel outlet. All parts were disconnected so it has been tricky to work out. On this other pic (from a 405 I think) the fuel line seems clearer. If it is for the reserve, where is the main outlet?
Cheers d
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02-05-18, 10:26 PM
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Dave, the main outlet is the pipe coming from the reserve solenoid. The solenoid has two pipes beneath it going down into the tank, one is longer than the other and the longer pipe accesses the reserve fuel in the bottom of the tank. The solenoid simply switches between the two. I have one somewhere - if I can find it I will add a photo to this post.
Kevin.
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05-05-18, 03:30 AM
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photos of fuel pickup and reserve solenoid
The attached photos show what's 'below the surface' of the fuel reserve solenoid, plus a close up of the fuel pickup pipes which shows their different lengths.
This particular one is not from a Bristol - the pipes aren't long enough. I have encoutered similar items on British cars from the 1950s, 60s and 70s. Dave, I believe the coiled pipe in your picture is a breather rather than an overflow.
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