Thread: Did my Fuel Pump die, sitting in the driveway?

Originally Posted by rangieman

Each to their own Mario
You can try and justifie your opinion but it is what it is plus the d2 has a plastic fuel tank so no chance of rust there unless it came from the servo tank.
I still say your pump drags fuel from the bottom of the tank and if its less than 1/4 of a tank or 3/4`s of a tank its still going to be swirling around in any car moving on road and more so 4wdriving .

Was talking in General, yes the D2 has a plastic tank.
Diesel can grow Algae.

Originally Posted by Fluids

The pump element or the electric motor ?

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The whole pump/motor assembly is only around 80-90mm tall and fits nicely inside the surge pot.

In Tank Electric Fuel Pump Land Rover Defender Td5

Originally Posted by bee utey

Most of the EFI pumps I've met sit inside surge pots and suck in more fuel than the engine uses. The excess is returned to the surge pot so it is full to overflowing even when the fuel is down to the last 20mm. So they remain fully submersed until they run out of fuel completely.

Ecentrally the Td5 fuel pump is in its own swirl pot alike what you say most Efi pumps

Originally Posted by Roverlord off road spares

Was talking in General, yes the D2 has a plastic tank.
Diesel can grow Algae.

So the saving grace on your part is now Algae
Algae would not care if the tank was full or 1/4 of a tank it would and can be a show stopper.
In saying that there are anti fungles additives out there that diesel owners can use

After a long drive feel your td5 fuel tank and fuel filter it runs at 80degC +. I measured my filter next to the tank a 78degC.

The fuel becomes hot due to the action of the injectors and head heat.

One would wonder/argue if a immersed pump in 80degC diesel fuel would be cooler than the vapour space above as the fuel level drops?

Regards

I regularly run mine to the fuel light and it now has 200,000 km on it.

I ran out of fuel once and once started had no problems with air or anything. It ran fine from go as soon as it started.

I had about 180,000 km when I mistakenly filled it with unleaded. I removed the pump to get all the fuel out and the tank was as clean as a whistle.

Originally Posted by bee utey

Most of the EFI pumps I've met sit inside surge pots and suck in more fuel than the engine uses. The excess is returned to the surge pot so it is full to overflowing even when the fuel is down to the last 20mm. So they remain fully submersed until they run out of fuel completely.

As is the case with a d2 pump

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Originally Posted by northiam

After a long drive feel your td5 fuel tank and fuel filter it runs at 80degC +. I measured my filter next to the tank a 78degC. The fuel becomes hot due to the action of the injectors and head heat. One would wonder/argue if a immersed pump in 80degC diesel fuel would be cooler than the vapour space above as the fuel level drops? Regards

Exactly.

TD5 pumps fail sometimes - so do other pumps, end story.

As D2Dave also posted, only a Handful of the thousands of TD5's would not be driven till the low fuel light comes on. I have never ensured my TD5 tank had a specific amount remaining and only read of maybe 3 here who claim to actually do it.

Now back to the OP
It can be seen from the last few pages you need to confirm the system integrity first before lashing out on that new pump.