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Does The Fuel Tank Need To Be Near Empty For Pump Replacement?

Lachlan33

By Lachlan33,
in General Maintenance

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MANWHORE Grand Master

MANWHORE

Posted
Posted (edited)

Let me put it this way. I wouldn't want the tank to catch on fire whether it's 'full' or 'empty'. Even when it's 'empty', I'm assuming that it's not removed, tipped upside down and drained, so it probably still contains 15 or so litres. I'd hate to light thtat on fire to see how it goes. Won't be pretty - enclosed space.

All that I can say, is when I work on cars, I don't have the luxury to have cars empty. sometimes they're full. When I installed the pump into my own car, I did it full - like I said, no problems. I just be careful. Battery is disconnected, and I don't go around sparking things!

Oh, I also have a fire extinguisher in my workshop

Edited by MANWHORE
MANWHORE Grand Master

MANWHORE

Posted
Posted

That could be true too. When my friend was drunk, he tried to blow up a fuel can by dropping a match inside. It wouldn't light. All that would happen is everynow and then, some of the vapour above the hole would flash, but nothign inside

mad082 Grand Master

mad082

Posted
Posted

a full tank is less explosive than an empty tank, however in this car it wouldn't be that much different because the vapour is coming out of the tank. a full tank that had a spark ignite in the boot would burn for much longer, but it might not explode as big.

i did it with an empty tank, but i would've done it with a full tank if the car had had a full tank at the time. the only thing is that i was sticking my arm all the way into the tank to make sure that i got the pump down as low as possible, so i would've had an arm covered in fuel if the tank had been full.

on a side note, the r33 that i installed an 040 into has no issue with surging with under 1/4 tank left. the owner has got it down to the top of the E (so it was uner the empty line) and still had no issue.

also, if you disconect the battery make sure you have the clamps well away from the battery terminals. if they are close and you bump it you may cause a spark. disconnecting the battery isn't always the safest option.

Lachlan33 Community Regular

Lachlan33

Posted
  • Author
Posted

Well I spent over 2 hours on it on sunday before giving up.

The 3 lines took bloody ages to get off they were on so damn tight, then once that was done I spent like 80 minutes with a hammer and a block of wood and i just could NOT get that friggin cap to budge. It then started raining so I went 'f**k it!' and gave up.

And yeah I made sure to move the terminal clamp well away as I know it sparks when it touches. Although to be honest I think I would be passing out from petrol fumes before the fuel vapour got bad enough to ignite.

Also mobile phones causing fuel ignition is a 100% myth, as proven by mythbusters :thumbsup:

Anyway ill just get a shop to do it, least I tried to do it myself I guess. Thanks for the tips guys.

jeffworld2 Veteran

jeffworld2

Posted
Posted

i have done them both empty and full, and imbetween, im glad i did it emptyish first, as it meant i could actually see the bracket. its not hard at all, but being able to see it will make it alot easier first time. take off the battery earth etc, and remember to fix your fuel level sensor while your in there. they seem to always be dodgy in 33's

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