[W126 Coupe] climate control problem ??

[Jay Hirsch]

Gary,
Was just going to write about same problem that happened on my car  
today,  except my blower works.
Hot air from windshield defroster vents, etc.
The climate control units for all SEC/SEL's from 1986-91 are the  
same.  Only difference is "F"  or "C" numbers.

Have heard from several  friends these units were a weak link in  an  
otherwise good car.
keep cruisin
Jay H

On Nov 18, 2010, at 10:23 PM, Gary wrote:


> without notice a/c, heater, blower just stop working.  all that  

> happens is lots of hot air comes from the windshield defroster  

> vents.  i switched out the climate control part with a working one  

> and still nothing.

>

> there is a differnce in climate control part number.   the donor  

> part comes from an 88 560 sec, number 126 830 08 85 the other part  

> number is 126 830 11 85 and that belongs to my 91 560 sec.

>

> seems line the problem comes before power gets to the climate  

> control unit.

>

> a while back while trouble shooting my old sec's climate control, i  

> noticed when i would press the a/c button you could audibly here a  

> click under the hood.  this doesn't happen with either part.

>

> is there a relay that would cause all of this to shut down?

>

> thanks for your help.

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