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I have a cooling fan which is not running although the motor is ok when tested. I have traced the fault to what I think is a relay screwed onto the fan housing. (pics attached)



This is apparently not available as a spare part only with the fan.


Can anyone tell me what the part is actually called, if it is standard across the range and if it's repairable






might be better to ask on the smax forum itself,but be prepared they will only give info if you pay to become a full member most of there info is locked.


can you call a few scrappies and see if you can pick one up from there?


Been trying scrappies but they don't want to separate it from the fan. Looks like a whole unit.


Was thinking maybe Ford used this part somewhere else in their range.


Any ideas gratefully received


try the CMAX and Galaxy? they shouldnt be too different...


if you have a part number for the part you have we can have a look and see if anything else shares it?


Thanks jeebowhite


The only numbers on it you can see on the pic I uploaded but I think that maybe these are not part numbers.


Any help......


Part Number appears to be: 940002904


is this the engine fan your referring to?


if so looking at this (not sure its the right engine) but it does show that the fan is one unit with no other parts:


what engine is it?


On the plus side, both the SMAX and Galaxy are grouped together on this catalog, suggesting that the parts are the same. I would say you may find yourself best off looking for the parts in either car...?


Hi Guys


it's the small box which mounts by one screw on the fan housing. Ford told me that the number was not a part number.


It's a 2 litre petrol. The box appears to be a connector with live and earth. The live is ok both sides but the earth is not passing through. It is moulded and doesn't look to come apart.


Thanks for trying guys




well that part returns two possibilities

1) blower regulator

2) Car Fan Resistor


If it is attached to the fan, then your probably going to need to replace it as one unit...


None of those seem to show this part seperately


Serious thanks for your efforts. More than guy at Fords was able to tell me.


So I guess its back to looking for a bent S max with a cooling fan intact ( not been able to find one as yet)


Thanks again guys


No worries, and yeah they are difficult to find as they are newer so are not yet written off.


Go to an online brokers, you pop your details in and your request goes to enrolled parties across the UK, if they have one in stock, then they let you know a price.


Been doing that for days. None about. Only one I found GOT LOST BY ROYAL MAIL!!!


Thanks again


:| well done Royal Mail!


Erm, how do you know the cooling fan isn't working. Has your engine temperature actually reached the point where the fan is supposed to kick in? Which is about 110-115deg C if I recall correctly.


Despite all the heat we have had & the number of traffic jams I have sat in recently, I've not seen the temp on my S-max go above 95 deg yet.



just had MOT and was told then fan not working. Twice since stuck in traffic and needle heading well towards the RED bit. Popped bonnet and fan defo not working but you can hear clicking. That  I think is it switching.


There is live through the relay (?) thing but no earth at the business end. My auto elec bloke said it was the relay but now I'm not so sure. Ford don't seem think there's anything in there to fail so gonna try the relay in the fuse box next.


Hello again guys.


Still not found a relay (or whatever it is). Just been into local dealers. What a waste of time) so I thought I'd ask here.


I can locate said item at a local scrappy but it's off a diesel. Anyone know if it's a comparable part. Other option seems to be unit off a Kuga. Again does anyone have any ideas.




Did you ever get anywhere fixing this issue or find the Fan Relay/Regulator/resistor (I've seen it called allsorts)?

I found this while looking myself;





should be comparable, its part of the electrics and not the mechanics so I dont see why you couldnt just use it.


It seems to have the same part number but could there be any internal setting that are different and could cause issue, difficult to know I guess?


Hi everybody and thanks for the effort.


Short answer is NO! I was told quite categorically by 3 Ford main dealers that it is the same part for diesel or petrol. Even gave them genuine reg. nos. to be absolutely sure. Armed with this info I went to my local scrappie who had 2 S max in the yard and removed BOTH parts for me to try. (Both diesel). No luck I'm afraid so until I have a spare £270 for the complete arrangement to buy and then extra to have it fitted I am fitting a switch by the steering wheel to operate the fan if/when it overheats.


Thanks again guys.


this sounds awefully familiar...

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