liam.mccaffrey
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| posted on 28/11/06 at 12:22 PM |
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awkward question
Last night a friend of mine filled his fiancee's diesel car with £25 of unleaded. Assuming he can't syphon it out through the
filler nozzle (he hasn't checked yet) what is the best way for him to drain the tank
Many thanks
Liam Mc
Embarrased Mechanical Engineer
[Edited on 28/11/06 by liam.mccaffrey]
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RazMan
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| posted on 28/11/06 at 12:24 PM |
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Ask your 'friend' if it has an electric fuel pump, how about disconnecting the pipe at the pump and transferring it into demijohns for
settling / re-siphoning.
[Edited on 28-11-06 by RazMan]
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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chris_harris_
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| posted on 28/11/06 at 12:32 PM |
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Disconnect the fuel line at the tank end and allow the fuel to run into a bucket or such like. refill with correct fuel. you can probably get away
with up to 10% wrong fuel in the tank, as it will get mixed with the rest whilst driving etc.
Regards Chris
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David Jenkins
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| posted on 28/11/06 at 12:32 PM |
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5th Gear (spit!) did a feature in the last series, where they put some diesel in a petrol car & some petrol in a diesel. They then ran the cars
until they showed signs of complaining, drained the tanks and re-filled with the correct stuff.
After a few coughs & splutters the engines stabilised, with no apparent damage.
DJ
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cct7kitcars
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| posted on 28/11/06 at 12:44 PM |
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what you didnt say was what car it was can make a diff to them common rail diesel engines dont like any petrol in them
Life should not be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in
sideways, Chardonnay in one hand, Tequila in the other, body bearing battle scars and totally worn out, screaming- WOO HOO!! What a Ride!
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mangogrooveworkshop
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| posted on 28/11/06 at 01:01 PM |
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As I was led to believe it attacks the coatings in the diesel injector pump.
On further investigation Ford took the wee as the pumps had a manufacturing defect covered up when the driver crossfueled under damage.
Plenty of the other vans had this done and the local garage just drained the petrol and refilled with diesel. Never seemed to slow them either still
flat out everywhere.........
Written warning letter and a 900 quid bill which got paid by the company.
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liam.mccaffrey
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| posted on 28/11/06 at 01:03 PM |
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I think his fiancee's car is a vauxhall corsa M reg 1.5 diesel non-turbo.
I believe he was considering diconnecting the fuel feed from the pump and pumping into a bucket
OR
removing the pump (if its in the tank) and directly syphoning out of the tank
Many Thanks
[Edited on 28/11/06 by liam.mccaffrey]
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Mal
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| posted on 28/11/06 at 01:03 PM |
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Source of Information
If you go to the Daily telegraph website and find the 'Honest John' motoring section you will find advice on this problem.
My understanding is that with older diesel engines you are more likely to get away with it than on modern common rail engines.
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trogdor
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| posted on 28/11/06 at 01:41 PM |
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my parents have both done this to our pug 405 dieasel, my dad has a bulb that attaches on the the end of the fuel line in the engine bay, and he just
pumps it out by hand, it works really well and most of the fuel is removed and the car has no damage,
was great last time as i got £20 quids worth of petrol tainted slightly with dieasel to put in my classic car,
the car was quite old, it was an N reg i believe, not sure if newer cars will have probs with petrol.
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Nick Skidmore
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| posted on 28/11/06 at 03:12 PM |
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Check the tank, some have a drain plug.
My Daihatsu and the Isuzu both do.
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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Alan B
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| posted on 28/11/06 at 03:16 PM |
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Honestly mate, you can do without friends like that......ditch the bugger...
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liam.mccaffrey
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| posted on 28/11/06 at 04:05 PM |
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Danozeman
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| posted on 28/11/06 at 04:10 PM |
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Get one of them syphons they sell in the motor factors. Youl get the pipe down the filler on an old corsa. Failing that a bit of hose and a bucket.
The get his gf to suck the hose till it coes out. Shel never do it again!!
Dan
Built the purple peril!! Let the modifications begin!!
http://www.eastangliankitcars.co.uk
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liam.mccaffrey
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| posted on 28/11/06 at 04:29 PM |
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not sure you understand danoze, I put the petrol in the oil burner
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jono_misfit
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| posted on 28/11/06 at 05:59 PM |
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Someone close to me did this to there 2003 Mitsubishi (lackof)charisma. Then swore blind the petrol station they bought the "Diesel" from
had different coloured pump handles to normal.
Anyroads.
We had an old external electric fuel pump, attached it to the outlet pipe, and left it running for about an hour.
Ended up with 50L + of fresh petrol with a small amount of diesel in it (Which worked fine in the other petrol cars).
Anyroads the car has now done another 100,000 miles with no probs.
Drain it out, put fresh stuff in, it'll be unhappy for a few seconds till the petrol blow out of the fuel rail then it'll be fine.,
[Edited on 28/11/06 by jono_misfit]
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liam.mccaffrey
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| posted on 28/11/06 at 07:22 PM |
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would you say undo the inlet to the fuel filter and use an external pump to draw the fuel through the sender unit?
also do you think i will i have problems bleeding the air and priming afterwords
if anyone is willing to give an idiots step by step i would be most grateful, bloody diesel engines i dont have a clue about
[Edited on 28/11/06 by liam.mccaffrey]
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rusty nuts
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| posted on 28/11/06 at 08:13 PM |
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Lift the back seat and check to see if you can get at the tank unit. If you can you should be able to connect an external pump or raise the back end
of the car and syphon the petrol out . Drian/replace the fuel filter after clearing the fuel lines . Get someone to crank it over and squirt a tiny
amount of brake cleaner into the inlet which will help it fire up until it bleeds itself. The cost of enviromentally friendly disposal is more than
the fuel costs in the first place.
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ruudbeckers
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| posted on 28/11/06 at 08:41 PM |
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I would put a transparant hose in the fillerneck and just suck on it. When it almost reaches your mouth hold the hose down. As long as the outlet is
lower as the bottom of the tank, the fuel just runs out. It works quite well.
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liam.mccaffrey
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| posted on 28/11/06 at 09:20 PM |
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syphoning was the first thing i tried, just can't get a pipe down the filler neck,
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jono_misfit
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| posted on 28/11/06 at 10:44 PM |
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On the charisma there were handy connections at the front of the tank.
We disconnected the feed pipe and connected the pump.
Not sure where the connection pipe is on a fiesta. Other option is to try connecting it at the diesel filter point.
I think most modern deisels are self priming as their in tank pumps. The pump will drawn in diesel and push any air round the system and out he way
very quickyl .
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