Water in a petrol car

mikey72

Plan A then I'm afraid

Pew_Pew_Pew_Lasers!

forgotmyname wrote: »

Serious damage could have been caused as mention, Water pumped into the cylinders cannot be burnt
or compress. Damage to conrods, bearings etc.. car still cranks over could be a good sign. Only
time will tell. Flush the fuel lines and make sure there is no water left, Replace the fuel filter.

Then remove the spark plugs and crank the engine over to clear the cylinders.

This is utter rubbish. Water doesn't compress, but neither does petrol.

Water will be pumped into the cylinders in exactly the same quantities as petrol - ie - practically nothing. So all that will happen is that the engine will refuse to fire, and the battery will go flat through trying to turn it over.

What you're talking about is when uncontrolled quantities of water get into the engine through the air intake. That hasn't happened here.

OP, drain the tank, change the fuel filter, refill the tank with petrol, keep the battery charged, and turn it over until it starts. It may be slightly difficult as the spark plugs may be slightly damp, and it will also depend on whether or not your fuel system is self-bleeding, but I very much doubt you'll have caused any damage at all, except to your pride.

mikey72

Pew pew still has me on ignore then.

Keith

Pew_Pew_Pew_Lasers! wrote: »

OP, drain the tank, change the fuel filter, refill the tank with petrol, keep the battery charged, and turn it over until it starts. It may be slightly difficult as the spark plugs may be slightly damp, and it will also depend on whether or not your fuel system is self-bleeding, but I very much doubt you'll have caused any damage at all, except to your pride.

First, kill the injection (remove the injectors if needed), then remove the spark plugs and spin it over and let it chuck any thing out of the cylinders.

KonkyWonky

Pew_Pew_Pew_Lasers! wrote: »

This is utter rubbish. Water doesn't compress, but neither does petrol.

Water will be pumped into the cylinders in exactly the same quantities as petrol - ie - practically nothing. So all that will happen is that the engine will refuse to fire, and the battery will go flat through trying to turn it over.

What you're talking about is when uncontrolled quantities of water get into the engine through the air intake. That hasn't happened here.

OP, drain the tank, change the fuel filter, refill the tank with petrol, keep the battery charged, and turn it over until it starts. It may be slightly difficult as the spark plugs may be slightly damp, and it will also depend on whether or not your fuel system is self-bleeding, but I very much doubt you'll have caused any damage at all, except to your pride.

LOL! :rotfl:

Seriously OP, not worth mucking around with.......

skiddlydiddly

Siphoning the tank yourself will be cheaper than getting a garage to do it but depending on the shape of the tank you might not be able to get such a small amount out.If you do siphon it make sure you get a kit where you don't have to suck up a lungful of crud to start it off.
I bought a kit from Halfords when I need to drain some old fuel and it was utter tosh, didn't work at all so ended up making my own out of some old fish tank air pipe and a disassembled kitchen cleaner bottle.

As pewpew said barely any water will have entered the cylinder and shouldn't have caused any damage as it will have gone out through the exhaust valves.People are thinking of hydrolocking when you drive through a deep puddle and suck up a large amount of water in a very shirt time into the intake and the cylinders literally fill up with water rather than a few cl you injected running it for a few seconds.

darich

I wasn't aware that a) petrol was "compressible" and b) it was compressed in an engine.

Here was me thinking it was injected into the cylinder in a spray and ignited using the spark plug with the resultant explosion pushing the piston down.

I'd imagine that water in the tank may result in a few damaged components eg fuel filter, possibly spark plugs but unless the water is sucked in via the air filter in large quantities I'd wouldn't have thought there would be massive damage.

motorguy

Well, i got two tins of the wynns dry fuel and 5 gallons of petrol.

Drained any water i could from the tank and replaced the fuel filter

Had the battery recharging overnight, and added the petrol and dry fuel

AND....

churn churn churn churn

Going to have to get it to a mechanics at the start of the week.

Will let you know how it pans out.

Thanks for your help so far.

skiddlydiddly

Did you remove the plugs before turning it over?It will squirt any water out of the holes.As you've filled with petrol I'd remove the coil lead just to be safe.When you've done that put the plugs into a hot oven for a few minutes to dry them out.

motorguy

skiddlydiddly wrote: »

Did you remove the plugs before turning it over?It will squirt any water out of the holes.As you've filled with petrol I'd remove the coil lead just to be safe.When you've done that put the plugs into a hot oven for a few minutes to dry them out.

I have a very limited toolset here. There are torx screws holding in plastic inserts and i dont have a plug remover socket. Its a 20 mile / 1 hr return trip to get those.

It was worth a try but now i'm £20 down on fuel, £12 down on additive, £17 down for 2 filters, 3 hrs this morning of my time and the car still wont start! :eek:

I dont want to spend any more money when theres a fair chance i still wont get it going.:(