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-   -   Automatic heating control knob?/ (http://forums.pelicanparts.com/porsche-911-technical-forum/596328-automatic-heating-control-knob.html)

rludym 03-11-2011 01:36 PM
Automatic heating control knob?/
 
Can someone tell me the part # for this. Also, my manual says it has positions 1-9 but mine only shows 1-3 (tried to turn it and broke it hence need for replacement!)....is there only supposed to be 1-3 or 1-9? thxhttp://forums.pelicanparts.com/uploa...1299879357.jpg

Flat Six 03-11-2011 01:42 PM
Quote:
Originally Posted by rludym (Post 5895948)
Can someone tell me the part # for this. Also, my manual says it has positions 1-9 but mine only shows 1-3 (tried to turn it and broke it hence need for replacement!)....is there only supposed to be 1-3 or 1-9? thx
Two different autoheat systems, depending on year I think. My 85 has the 1-9 version; what year is yours?

FYI, you might want to download the PET for your car at the Porsche website. For 87-89 it's here:

http://www.porsche.com/all/media/pdf/originalparts/usa/911_USA_87_89_KATALOG.pdf

Good luck

rludym 03-11-2011 01:50 PM
hi, its a 1987, thx for link!

LJ851 03-11-2011 01:58 PM
You dont have auto heat. That knob controls the footwell blowers with 3 speed settings but it only works when at least one of the heat levers is activated.

rludym 03-11-2011 02:34 PM
ok, I think the knob isnt the problem. The little white piece that the knob fits onto is broken and a new switch is $500...guess some super glue work might be in order

pete3799 03-11-2011 02:41 PM
Auto heat only has one lever and 0-9 + defrost.


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