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phib
Newbie


Joined: 11 Jan 2019
Posts: 30
Location: Surrey


PostPosted: Thu Sep 12, 2019 8:35 pm    Post subject: Air con / heating (ac working too well !!) Reply with quote

So all summer been using the 993 and it has freezing ac which has been great !!

However tried to put the heat on this week and nothing !!

Fan works fine when turned to cold but as soon as I turn the temperature up the fan just stops ?

All fan speeds work when in cold and when AC on or off ts just when you try and put the temperature up it becomes and issue !

So I guess I have climate control rather than AC ?

Any ideas

Phib
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993 C4
993 C2

Ex 14 911’s!
 
  
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Endoman
Barcelona


Joined: 11 Apr 2011
Posts: 1402
Location: Bolton U.K.


PostPosted: Thu Sep 12, 2019 11:38 pm    Post subject: Reply with quote

Check out Tore's site, may just be some fluff in the temp sensor.
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Porsche 944 S2 Coupe Guards Red
Porsche 993 Coupe 9m RS Replica
 
  
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ToreB
Approved Trader


Joined: 13 May 2010
Posts: 607
Location: Oslo, Norway


PostPosted: Fri Sep 13, 2019 5:25 am    Post subject: Reply with quote

You have a problem with the rear fan.
See here for details and here for a DIY test procedure

Cheers,
Tore
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'95 993 C4

Bergvill F/X
Porsche electronics specialists, products and repair services.
 
  
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phib
Newbie


Joined: 11 Jan 2019
Posts: 30
Location: Surrey


PostPosted: Mon Sep 16, 2019 7:20 am    Post subject: Reply with quote

Thanks guys, you were right there was an issue with the rear blower ..... it had come unplugged !!

Plugged back in and all working again. Nice easy fix !!

Thanks

Phib
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decgraham
Barcelona


Joined: 17 Sep 2008
Posts: 1362
Location: Spain


PostPosted: Mon Sep 16, 2019 8:19 am    Post subject: Reply with quote

phib wrote:
Thanks guys, you were right there was an issue with the rear blower ..... it had come unplugged !!

Plugged back in and all working again. Nice easy fix !!

Thanks

Phib


That happened to me, your post reminded me. I was only using the A/C in the Q8 summer but come the winter the heater wasn't working. Had a hunt around the rear LHS and like you the cable was disconnected. I'd had some work done by any Indy a few months previously so blamed him. All worked out OK in the end and like you say, a nice easy fix. Thumb

ATB Smile
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