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abercenfi

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About abercenfi

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  • From
    Ammanford
  • Porsche Club
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  • Present cars
    1998 996 C2
  1. Hi everyone. I have a 1998 996 C2 manual RHD. About six months ago the heater/climate control fan started messing about. Mostly it would work, but now and again it refused. This became: usually worked at first start-up but thereafter usually refused, but might spark up at some point during a journey. (it seemed to me that opening a window[because I was fogging up] kick started the fan, but that may be coincidence) The little fan under the passenger air vent was a little noisy and sometimes the heater fan would click a bit like a bicycle wheel with a playing card pegged to it. I changed the ignition switch (read about intermittent electrical maladies being linked to it). No difference. I bought as new (S/H) heater fan and when I took mine out found that the connectors weren't compatible so I had a good look around and put mine back in (I read that when fans stop they stop, they don't work sometimes and others not). I then replaced the little fan under the passenger air vent. Again no difference. Rather than be intermittent the heater fan has stopped all together now. So I have just replaced the heater/climate control panel unit (klimabetaetigung) with one that has exactly the same numbers as mine. It seems to work fine - I can hear lots of things happening when I change vents, switch aircon on and off etc. But still the heater fan won't do what it should. I'm at a loss to think of what else I can replace - I suppose the heater fan could have finally given up the ghost after a slow painful death, so I can replace that. The only other thing that seems wierd is that when I changed the little fan under the passenger air vent the climate control (when it worked) seemed to think the car was around 5 degrees hotter than it really was - put it on max and warm air comes out, but turn it down below 27 degrees (when you know the cab's no hotter than 21) and cool air comes out. I have no trouble with coolant or air con, all checked and serviced by Porsche. Help please.
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