No heater blower fan - Ford B-Max Forum
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post #1 of 5 (permalink) Old 13th January 2020, 10:32 Thread Starter
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No heater blower fan


Can anyone help.

I have a 13 plate TDCI B Max, Climate control, all of a sudden the heater blower fan has stopped working. Garage are quoting 600 + to replace the fan motor.

Reading through these forums I'm just not convinced. I've taken out the pollen filters no joy, as this car has climate control the resistor pack is not the normal one, where you'd expect the fan to turn all be on one setting only, if it was faulty. I believe its a type of control unit that is contained within the resistor pack, looks a bit like a metal nail brush, I have taken it out and it physically looks ok, but that doesn't mean a lot I know. Its 170 from Ford as opposed to the normal 40-50 quid, so like to think its a lot more than just a resistor.

I read if it is faulty it can stop the fan turning altogether, has anyone come across this or know a way of proving it, other than swopping out into another car, no one seems keen. I'd take a punt and try it off ebay but it's still 80 and if it doesn't fix it. Just hoping someone might be able to shed some light on it.

Thanks in advance.

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post #2 of 5 (permalink) Old 13th January 2020, 14:16
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normally when the resistor fails it will only work on the higher, or indeed just highest speed

first thing I would check would be the fuse that supplies the blower circuit.

you can test the resistor pack with a meter, cant remember the pinout off hand but it should be quite easy to find.
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post #3 of 5 (permalink) Old 19th January 2020, 13:12
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I have the same problem. The first time it happened, my local garage found the problem to be a connector in the wiring loom behind the dash. They moved it about and it started working again and could not prove exactly where the fault was. 2 months later it has failed again, they have it in the garage at the moment.

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post #4 of 5 (permalink) Old 6th March 2020, 15:28
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I had the same problem all I did was turn the fan on while starting the car must be at the same time then mine stared working again hope this helps
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post #5 of 5 (permalink) Old 6th March 2020, 19:37
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On my old car that i have just traded in, if the fan stopped working completely it was down to the resistor pack.
As there was no way of testing this particular one, the only option was to swap it out for a new one which did the trick.
It may be worth taking a punt on the eBay item, if it makes no difference just ask to send it back claiming it does not fit lol.

1 litre Zetec Turbo petrol 74Kw / 100 Ps
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