Cooling Fan On Permanent

[William McGougan]

Hi guys, looking for some insight as to where to look, bothtboth cooling fans come on when engine starts and stay on until I switch engine off, I know it's not the Aircon as my aircon isn't working and needs regassed

Another thing to note is when ignition is on the fans are off, they are only on when engine running, however I'm concerned they will burn out or overheat eventually

 

[Feza]

Looking like the fans are faulty and need replacing I had to change them on my wife’s A3


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[William McGougan]

Looking like the fans are faulty and need replacing I had to change them on my wife’s A3


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Thank you for the fast reply, I wasn't sure if there were maybe sensor related common issues like built in or external temp sensors to look at, did your wife's car have the same fault as mine?

 

[NHN]

Fan packs do go, assuming engine temp is per norm.

Regassing, you sure it's not the G65 sensor, these stop aircon if they're faulty & common too.

 

[Feza]

Yes came home in the car and the fans was on for ages turned the ignition off and the fans would not shut off at all look on you tube but I think it’s a common fault I put a new set of fans in the car and it sorted it I think the internals of the fans short out I paid £160 for a new fan assembly but I think you can buy the fans separate


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[e9_mustii]

Thank you for the fast reply, I wasn't sure if there were maybe sensor related common issues like built in or external temp sensors to look at, did your wife's car have the same fault as mine?

There is a fan swtich it could be that has rather than the fan itself cheaper to replace a switch then the whole fan, so i check that first

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[William McGougan]

Yeah temp is normal, I'm sure as the Aircon pipe had actually been cut, prior to me knowing when I bought it, so I need to fit new pipes then have the system gassed

 

[William McGougan]

There is a fan swtich it could be that has rather than the fan itself cheaper to replace a switch then the whole fan, so i check that first

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Ok cool, I will have a look and see what I can do

 

[Feza]

Keep us posted hope you get it sorted I do think it could be the module that’s built into the fan but yeah the correct procedure would be to change the fan switch first as it’s the cheapest option these ****** Audi’s are problem cars and cost a small fortune I have two of the ****** things


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[William McGougan]

Keep us posted hope you get it sorted I do think it could be the module that’s built into the fan but yeah the correct procedure would be to change the fan switch first as it’s the cheapest option these ****** Audi’s are problem cars and cost a small fortune I have two of the ****** things


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Yeah hopefully get it sorted, if it was on while the engine off I would have said relay, but it's only when engine runs, I will try a fan switch and update you guys, thanks for the info, otherwise it's going to be a new fan assembly

 

[Feza]

Did you manage to sort out the fan situation


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[William McGougan]

No not yet still not really dug too deep into it but I think it's the fan controller

 

[Feza]

The fan controller isn’t that built into the fan ?


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[William McGougan]

I believe so, I'm not sure if it can be changed seperate...so might be a whole new fan pack required

 

[Feza]

I believe so, I'm not sure if it can be changed seperate...so might be a whole new fan pack required

I had to change the lot on my wife’s car I think you can get the fan assembly on e bay for about £30 but I changed the lot for about £150


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[William McGougan]

I had to change the lot on my wife’s car I think you can get the fan assembly on e bay for about £30 but I changed the lot for about £150


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Not so bad then, I would prefer to change to whole lot tbh, then I know it's ok

 

[Feza]

Totally agree


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[Feza]

Download the AUTODOC app and have a look on there looks like you can buy the fans separate


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[William McGougan]

Awesome thanks

 

[SootySport]

When you do get around to fixing the A/C. Fit a new drier as well, the old one will be useless being open to the elements for a long time.