[W126 Coupe] Vaccum servos behind glovebox

Jim Ham mbcoupes@mbcoupes.com
Wed, 29 Dec 2004 19:31:05 -0800


When I replaced the actuator that moves the damper to direct air to the 
floor the damper door had been closed so long it was stuck to the frame. I 
had to unstick it by hand before the actuator would move it.

Jim Ham

At 06:44 PM 12/29/2004, you wrote:

>Richard,
>
>
>
>I was not getting hot air at the floor vents and it turned out being the 
>left vacuum element behind the passengers airbag (or glove box).  Even 
>though those elements control the main & fresh air flap and not the floor 
>flap.  I guess the vacuum leak prevented the system from working properly.
>
>Dick Spellman and Jim Ham turned me on to George Murphy who sells the 
>diaphragms for $5 vs. $50 for a new element.
>
>
>
>Contact is George Murphy, MB Technical Advisor and writer for 
>Star.  George can be reached at: 865-482-9175 
><<mailto:George_Murphy@compuserve.com>George_Murphy@compuserve.com>.
>
>
>
>Chet
>
>
>
>-----Original Message-----
>From: Shayegan, Richard [mailto:mbcoupes-admin@mbcoupes.com]On Behalf Of 
>Shayegan, Richard
>Sent: Wednesday, December 29, 2004 2:10 PM
>To: mbcoupes@mbcoupes.com
>Subject: RE: [W126 Coupe] Vaccum servos behind glovebox
>
>
>
>I forgot to ask, what vacuum elements control the flow of hot air versus 
>outside air? Clearly this leaky vacuum element is not my main problem 
>(apparently it just means that when I turn on the A/C, it will blow the 
>air at the windshield, but since my A/C doesn't work anyways, this doesn't 
>really affect me, though I suppose it could be why my vents never fully 
>close). My main problem has to do with something that directs the hot air 
>to the lower side vents and closes the center vents.
>
>Thanks,
>Richard
>
>
>
>----------
>From: mbcoupes-admin@mbcoupes.com on behalf of Shayegan, Richard
>Sent: Wed 12/29/2004 1:51 PM
>To: mbcoupes@mbcoupes.com
>Subject: [W126 Coupe] Vaccum servos behind glovebox
>
>Well, after taking off the center wood panel, I realized the vacuum leak 
>is one of the servos behind the glovebox (the one on the left). I've read 
>a write up about this somewhere. Anybody know where or got a link? Anybody 
>know where in which service manual this stuff is? And how do I get the 
>servo out of there?
>
>Thanks,
>Richard
>
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