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V40 fuel pump wiring / fuel removal

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Old Jun 10th, 2021, 12:50   #1
theboymike
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Default V40 fuel pump wiring / fuel removal

As posted elsewhere the car's dead and I need to empty the fuel tank. It did run but my tired, hamfisted and ignorant attempts to bridge the fuel pump relay contacts have resulted in it no-longer running; I think beause I've either knackered the pump, a fuse or something else in the electical system.

I'd like one last stab by widing the pump directly to a battery as accessed through the hole beneath the rear seat. Problem is there are four in-use terminals under there and I only need two

Can anyone suggest to me which I should be connecting to what please?

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Old Jun 10th, 2021, 22:18   #2
clarkey1984
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All I did when I drained my old phase 1 was spin the plastic ring off, remove the sender completely, and stuck a cheap (8 quid off eBay) submersible in, hooked it up to a battery outside the car and pumped it out that way.
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Old Jun 11th, 2021, 15:38   #3
theboymike
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Originally Posted by clarkey1984 View Post
All I did when I drained my old phase 1 was spin the plastic ring off, remove the sender completely, and stuck a cheap (8 quid off eBay) submersible in, hooked it up to a battery outside the car and pumped it out that way.
Thanks! I've already had a crack at getting the ring off but it's stuck fast; although as has just been suggested to me I could always split / cut it off. I don't have a pump (or come to think of it any suitable hose ) but could try ladeling it out or similar. The alternative is to make a hole in the underside of the tank with an awl and drain it out that way.. I'm determined to get it out one way or another as it's still registering 3/4 full on the gauge... typical the scumbag pikies would knacker the car literally straight after I'd filled it up
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Old Jun 12th, 2021, 16:24   #4
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For the countless forum members no doubt losing sleep over my plight, I managed to drain the tank last night by hacksawing / chiselling off the retaining ring around the fuel pump / sender unit (it was stuck on), removing the unit, ladelling out the bulk of the fuel with a jar and finally draining the dregs by cutting a hole in one corner of the tank with a knife and drill bit in a small tap wrench.

Not pretty or perhaps wise but it got the job done; and life is a little less miserable with the knowledge that I'm not sending 60's worth of fuel to the scrapper.
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