C5 2009 Heater Blower Not Working

[Nickcreed]

Hi hoping someone can help? My 2009 c5 heater blower will not blow the buttons still make the display show the fan move but the actual fan is not blowing.

 

I have tried replacing the heater resister but made no difference.

 

Regards

Nick

[paul.h]

Welcome to the forum.

 

If it is not the speed control resistor, then it could be a fuse, a wiring or connector problem or the blower itself at fault.

[bob lawrence]

Hi, I also have problems with my heater fan motor. C5 2008 (new shape). It does run but only slowly and I suspect it is the resistor but cannot locate it, although I have been told the glove box has to be removed which I have tried, just to see if it is there, but after removing the only screws I can see, it won't budge. So I would like some help in removing the glovebox, if indeed it has to be removed.

[Johndouglas]

I believe there are ten screws in all holding the glove box. Have you found them all?

[bob lawrence]

Thanks but I have only found three, two to the left when the fuse holder cover is removed and one at the very back of the glove box, I can't see any others and no obvious panels, or plastic covers which can be removed allowing access to others. Having removed the three screws that I can see the glovebox still has no movement, suggesting there are others. Have you any idea where any others may be.

Thanks

[Johndouglas]

I must admit that I haven't removed my glove box however, looking at the Citroen service site it would seem that there are two screws inside the deep part of the box, two screws inside fuse box area, three screws vertically along the top edge and three just under the door lip and the door hinge pins. Also to remove the glove box entirely the passenger side airbag switch will also have to be disconnected, also the glovebox light, so it would be advisable to disconnect the battery before starting.

[bob lawrence]

Hi and thanks for the replies. In the end I had to take the car to the local auto electrician. Just as well as it turns out it because it wasn't the resistor but the battery that was faulty, he said he didn't know how it was able to start the car. The computer had reverted to 'economy mode' so the heater motor was one of the things it had chosen to run slow.

He also said it was a better type of resistor, not one he would have expected from others he has changed and should be more reliable as resistors are a common fault.

Just thought I would pass this info on because had I continued and changed the resistor I would have been no further on.

[Johndouglas]

Glad to hear that you have it sorted. With C5s it seems weak batteries can lead to all sorts of electrical malfunctions.

[paul.h]

I have put this on the Common Problems list since it is easy to check the battery before doing anything else and is not an obvious cause of the fault.

 

Were there any other signs the battery was flat such as the engine being slow to turn on the starter motor ?