Electric fan suck or draw

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BIGrabbit100

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31
Location
Essex UK
I wish to install an electric fan to a 300tdi. Has anyone a thought on fan to front of radiator. I have driven vehicles for years without a fan, and then randomly put the fan back on. So have proved 300tdi can drive without needing a fan. I have an electric fan but I'm thinking of installing to the front of the radiator rather than in replace of a fan at the rear. Has anyone any advice or info please.
 
BIGrabbit100 said:
I wish to install an electric fan to a 300tdi. Has anyone a thought on fan to front of radiator. I have driven vehicles for years without a fan, and then randomly put the fan back on. So have proved 300tdi can drive without needing a fan. I have an electric fan but I'm thinking of installing to the front of the radiator rather than in replace of a fan at the rear. Has anyone any advice or info please.
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I put an electric fan on the back of the rad after removing the viscous one. Only had to switch it on twice, both times in 30 degs or more and slow moving traffic.
But I have a feeling that the air-con fans take a lot of the strain in the heat. Which is why I always drive around with the viscous in the back in case I need to put it back on!
 
Great point. Mine is basic...no ac , no fan coupling. So I have air flow through also you are very correct only need in slow traffic on hot days or very long steep hills. Thankyou for reply.
 
My viscous pulls through the rad from the engine side, so the twin fans I have at the front blow air through to assist. What little air flow I get at max revs, whilst doing 10 kmph through a massive donga (oooooh, errrrrr missus) is going the same way.

The best idea is a shroud on the SPAL fans, but then you might need it on, all the time. Mine currently doesn’t have that.
 
OOOOO that's helpful Loafer ! My viscus fan still works great without shroud. I was thinking the electric fan full size of radiator has it's own shroud. Contemplating front install for space between rad and engine...no fan on engine side. Or can put viscose on in summer on long trips. YES I would switch on/ off as I wish.
 
It sounds like front install is not much difference to rear. Obviously factory is cleaner and user friendly. Has anyone tried front only electric full size fan. Does the temp change or the engine/bonnet heat an issue. Anyone else have advice or input please.
 
Yes , so I don't need lots of cooling as mostly work truck then holiday hauling. I used to have pump and stuff in race mode but I rebuilt pump and put back to standard.
 
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