Vehicle & Technical > Discovery

Hydro Locked Engine

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auf_wiedersehen_pet:

--- Quote from: "Oz" ---Put a Snorkel on it :P
--- End quote ---


I wish I had. Doesn't look too bad but it killed my car......

link

nellyscossy:

--- Quote from: "Fourby" ---not really discovery specific, but seeing as it's most likley to happen in my disco... here goes.

Someone told me that if you hydrolock your engine you can roll the car backwards while in top gear and force the engine to spin in reverse, pumping out the water from the bores the way it came in.

 I can understand this as a principle, but was wondering if anyone has ever actually done it with any sucess???
--- End quote ---


speaking from experience once your engine has hydrauliced then you've had it!!!  usually bends a con rod or two  and on a diesel that means no compression  which then means no go!!!!! :?  :?

dont matter wich way you push it the engine still only goes one way  only way is to remove spark/glow plugs and turn it over to clear  the bores but by this stage the damage is usually done.... :shock:  :shock:

simple then....fit a snorkel  :D

Bulli:
what everyone else said, unlucky as the water/mud doesnt look too deep.

you will have to be extremely lucky to have not damaged the engine.

dave362:
I am afraid it killed my Rangie too. It ran fine once I got the water out, but then 2 weeks down the line it sounded like a strangled cat

Fourby:
The last time i drove through deep water in my disco... it killed the ecu. Air filter was dry but the ECU needed three days on a radiator before it came around!

yep a snorkel is on the list.

I managed to hydrolock my mondeo the other day though in flood water, it was only after having it recovered to a garage that someone told me about spining the engine backwards.

In my head it kinda works and seems to be a good alternative to taking out the glow plugs if you are stranded without the right tools as you could disconnect the inlet hose clip with a screwdriver or knife, run the engine backwards to expel water from the bores, then if it started, use the turbo pressure to blow dry out the intercooler. I suppose it would all depend on the engine layout and just how stranded you were...

I have no plans to do it or drive through a flood again in that car, However, i had no plans to drive through water the first time around. I was just in the wrong place at the wrong time and wanted home.

But it's an interesting thought....

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