[W126 Coupe] A/C vents

[Dick Spellman]

Depending on your model year Jack it's either a vacuum element looking 
like a pack of cigarettes or it's the cylinder you are already familiar 
with from the defrost vent , etc. First, there is a black plastic cover 
that you need to carefully pry off of the heater box which covers the 
arm that connects the vacuum element to the heater box leg flap linkage. 
Once you get the cover off it should be fairly obvious as to unclipping 
the vacuum element arm from the flap linkage and lifting or twisting the 
vacuum element off of the holder on the heater box.. When done you 
should have the vacuum element and the metal linkage in your hand. So, 
you are removing both the vacuum element and the metal linkage in one step.

Be careful not to jostle the heater box flap linkage (the point where 
the vacuum arm clips in place) too much as the pivots inside the heater 
box can only be repaired by removing the entire box. Not a fun job at 
all! Anyway, it's a quick fix with the cover out of the way and the 
element with arm in your hands.

Regards,

Dick

Jack wrote:

> Hi MB Gurus,
>
> The A/C always blows out the defroster, so I bought all the vacuum 
> elements and found some bad ones. However,I’m trying to change out the 
> vacuum control for the leg flaps, element 39 in the manual. Stupid 
> question, how do you get this one out? The others are pretty 
> straightforward, but this one…It’s not only hard to get at, but it 
> looks attached to the control arm… If I do get this guy out how do I 
> reattach the goofy thing?
>
> Help my whole dash is apart!!!!
>
> Jack
>
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