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Shed17
Montreal


Joined: 23 Jul 2004
Posts: 567



PostPosted: Sat Jan 07, 2006 1:21 am    Post subject: Reply with quote

My air con has been fine up until today.

After getting the interior of the car up to a reasonable temp from the near baltic conditions when I first drove off, the temp kept on rising and cold air only started to come on when I turned the temp knob right down. So at the moment it is uncomfortably hot or freezing Sad

Anybody got any suggestions?

Migration info. Legacy thread was 41979
 
  
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Maxy M
Barcelona


Joined: 24 May 2004
Posts: 1411
Location: Great Britain

2009 Porsche 997 Carrera 2

PostPosted: Sat Jan 07, 2006 6:57 am    Post subject: Reply with quote

My best guess is failure of the dashboard temp sensor unit - a Heath-Robinson thing with a fan that samples cabin air by passing it over a sensor. Mind you, when mine went the temp came up nicely and then it got colder, with heat only available by turning up the temp dial.

So not exactly the same symptoms but possibly the same cause. Unless there's been failure of something out heat exchangers way.


Migration info. Legacy thread was 41980

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Gen II 997 C2 Arctic Silver, 19 in Carrera Classics, PASM, xenons as standard, 345 bhp (!)
 
  
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Shed17
Montreal


Joined: 23 Jul 2004
Posts: 567



PostPosted: Sat Jan 07, 2006 1:07 pm    Post subject: Reply with quote

Maxy,

How difficult is it to change the sensor?

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Maxy M
Barcelona


Joined: 24 May 2004
Posts: 1411
Location: Great Britain

2009 Porsche 997 Carrera 2

PostPosted: Sat Jan 07, 2006 2:11 pm    Post subject: Reply with quote

I think it's a pretty straightforward job - it's the little panel with the grille adjacent to the heater/aircon controls; it should unclip in some way. I had JZ fix mine along with regassing and renewing seals on the aircon.

The bummer is that a replacement costs about 180 IIRC, so be sure it is that before shelling out...

I'd also suggest posting this query on the PCGB 993 forum. Bound to be some v knowledgeable type over there, not least the Blessed Maurice.


Migration info. Legacy thread was 42001

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Gen II 997 C2 Arctic Silver, 19 in Carrera Classics, PASM, xenons as standard, 345 bhp (!)
 
  
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Shed17
Montreal


Joined: 23 Jul 2004
Posts: 567



PostPosted: Sat Jan 07, 2006 2:21 pm    Post subject: Reply with quote

Ah yes, the PCGB 993 oracle known as Maureeeeece Smile

Was going to Rennlist and PCGB next.

Thanks Maxy

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