[W126 Coupe] AC Problem with 1983 380SEC

[David Fatovic]

The Mono valve is by the secondary firewall just
behind on the passenger side.  The top looks like a
little square.

Do you get anything coming out of the vents when you
turn on your AC?  Even hot air?  If you don't get
anything out of your vents, I would guess either a
fuse or the control unit in the dash itself is not
sending the signal.  If you do, I would try replacing
your mono-valve and checking your system for leaks.

David

--- Kivendren Moodliyar <kivendren at telkomsa.net>
wrote:

> We also experiencing AC problems with our 380 SEC I
> have no clue where to
> start. I just know  that when I put on the AC
> nothing happens, Compressor
> doesn't even click on.
> 
>  
> 
> So if any  one has any idea where to start, I would
> appreciate this.
> 
>  
> 
> Where is this Mono Valve, you guys are talking
> about,?
> 
>  
> 
> Empowering Small Business Enterprises and
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> 
> From: mbcoupes-bounces at mbcoupes.com
> [mailto:mbcoupes-bounces at mbcoupes.com]
> On Behalf Of Tony Damar
> Sent: 18 July 2006 06:45 PM
> To: Mercedes Coupes Mailing Lists
> Subject: Re: [W126 Coupe] AC Problem with 1983
> 380SEC
> 
>  
> 
> It's not that different.  I had my guys put a mono
> valve in my 380 and it
> only took 10 minutes.  That 2.3 hours better include
> the compressor labor as
> well.  Even if it does, I still think that is high. 
> I agree with David,
> find another mechanic.
> 
> David Fatovic <coloradocroat at yahoo.com> wrote: 
> 
> 2.3 hours of labor!!! For a mono-valve!!! That takes
> all of 10 minutes to put it in. Unless the 380 is
> vastly different than the 500 and 560, it is right
> on
> top of the engine bay in the back. 4 screws hold
> down
> the top, once those are out, pull the unit out, put
> the new one in, and put the 4 screws back. 
> 
> Find another mechanic too!!!! That sounds like a
> rip.
> 
> David
> 
>   
> 
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