Thread: another take on trying electric radiator fans

Originally Posted by blitz

I trialed Ford AU electric fans on my D1 Which I customized to fit exactly, eventually I took them off as it overheated in heavy going.

Something amiss there. I have had similar behind a stock RRC rad, with a 350 on gas behind that, for 100k kms now and can't get it over half on the temp gauge.

cheers, DL

I've not long put the radiator, header tank, fans etc from my spare AU Falcon into my 3.5 V8, definitely running cooler now, the temp gauge barely moves about a quarter of it's total travel, and i mean barely.

How are you switching the fans?
What condition is your thermostat in?
Cooling system pressurising properly?
Flushed the radiator? Could be plugged

Originally Posted by Swarvey

I've not long put the radiator, header tank, fans etc from my spare AU Falcon into my 3.5 V8, definitely running cooler now, the temp gauge barely moves about a quarter of it's total travel, and i mean barely.

How are you switching the fans?
What condition is your thermostat in?
Cooling system pressurising properly?
Flushed the radiator? Could be plugged

Thanks for posting that - I've got a BA and I was thinking those parts looked like they might fit, but hadn't heard of anyone actually using them.

For the OP, I had EL fans in my Rangie for a while and they worked well, as they have for other people. Your cooling system has to be in good nick otherwise, because these fans can mask a problem by running more often. The biggest problem with using these fans is having a good cowling, which is really important, and the switching set-up, so that they come on early enough to keep the engine cool, and not too late to try and cool down an engine that's already a bit hot.

Originally Posted by Davo

Thanks for posting that - I've got a BA and I was thinking those parts looked like they might fit, but hadn't heard of anyone actually using them.

For the OP, I had EL fans in my Rangie for a while and they worked well, as they have for other people. Your cooling system has to be in good nick otherwise, because these fans can mask a problem by running more often. The biggest problem with using these fans is having a good cowling, which is really important, and the switching set-up, so that they come on early enough to keep the engine cool, and not too late to try and cool down an engine that's already a bit hot.

Just so I don't go hijacking a thread here, I'll start a new one when I get back from Brisbane, documenting the installation.

Aren't AU falcon thermo fans 2 speed?
Did you wire them for hi speed?
Direction of fans wiring polarity?
I ran AU fans on Old V8 falcons no problems keep temperature ever.
Regards

engine is a very fresh 4.6
brand new radiator, aluminum jobby
t/stat new with engine
pressurizes fine

tried in with the 3.9 in first with every thing old and exactly the same as with every thing new

The best electric fans in the world won't help an unrelated cooling problem. If falcoon fans won't keep it cool, I'd be looking hard at the rest of the system.

If your gauge never makes halfway, time for a new thermostat.

About 10 years ago I was convinced my diesel was heating, went thermo-electric fans and slightly better. Put a new thermostat in it and the gauge went hard right. Turns out I had a mismatch between sender and gauge. I was previously running really cold.

Originally Posted by Dougal

The best electric fans in the world won't help an unrelated cooling problem. If falcoon fans won't keep it cool, I'd be looking hard at the rest of the system.

And neither will Water Wetter. I tried this product myself a few years ago on my Tdi and it made no difference.