[W126 Coupe] HVAC "Aspirator" Hose

[Dan Landiss]

Dick Spellman wrote:

>Hi Dan:
>
>Have you checked the aspirator motor to see if it needs a little
>lubrication?
>
Took it out, runs fine, rotates with as little as 1.7 volts applied. But 
a good idea!

>The motor is located on
>the inside of the rail that separates the passenger knee bolster from the
>glove box on my 126 sedans having no passenger air bag.  Just pull the glove
>box insert and reach down and to the right to locate the plastic clip ring
>that holds it in place.
>
To reach it in a coupe with airbags, you have take off several trim 
pieces that first involve pulling up the floor, and then the knee 
bolster. Fortunately that's no big deal!

>Plumbing is a simple rubber press-fit to the
>aspirator tube.
>
I'm not sure it was attached well to the tube. I pushed the flange all 
the way into the tube when I put it back together, but there is still 
only a tiny bit of air flow at the overhead vent.

>>I fear the "aspirator" hose -- the one the little fan sucks through,
>>thus grabbing air from the region of the overhead light panel -- has
>>gone bad. There is not enough suction at the inlet vent to hold up even
>>a single thickness of kleenex an inch square. Any hints or tips on how
>>to get into all the places needed to replace it? Can you get suitable
>>hose at the hardware store? Thanks!
>>
--

Never argue with a dragon, for you are crunchy and taste good with ketchup.