1988 240DL Wagon vent controls not working

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andrewunix - 01 Feb 2005 02:21 GMT

The vent control pushbuttons that open and close the floor vents and the
defogger vents no longer have any effect in the 240 wagon. Anyone had this
happen to them?

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agreenbu @ nyx . net andrew michael greenburg

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Michael Cerkowski - 01 Feb 2005 05:26 GMT

> The vent control pushbuttons that open and close the floor vents and the
> defogger vents no longer have any effect in the 240 wagon. Anyone had this
> happen to them?
>
> --
> agreenbu @ nyx . net andrew michael greenburg

No, but it sounds like a vaccuum hose has come loose. The servos that
operate the air control vavles are vaccuum operated. You can get at many
of
them, and inspect the vaccuum reservoir (looks like several plastic
bibbles
linked together) by removing the console front panel and side kick
panels.
The reservoir may not be needed. Ours won't operate the controls with
the
engine off anymore, but they all still work with it running.

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andrewunix - 01 Feb 2005 19:32 GMT

Tue, 01 Feb 2005 05:26:15 GMT, mjc1@albany.net suggested:

:> The vent control pushbuttons that open and close the floor vents and the
:> defogger vents no longer have any effect in the 240 wagon. Anyone had this
:> happen to them?

: No, but it sounds like a vaccuum hose has come loose. The servos that
: operate the air control vavles are vaccuum operated. You can get at many
[quoted text clipped - 6 lines]
: the
: engine off anymore, but they all still work with it running.

Thanks for the tip! I was expecting an electrical problem.

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PROCOBOB - 01 Feb 2005 23:27 GMT

>r (looks like several plastic
>bibbles

What are "bibbles"

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Michael Cerkowski - 02 Feb 2005 05:26 GMT

> >r (looks like several plastic
> >bibbles
>
> What are "bibbles"

Odd little things that appear when you're posting in a hurry.
They look very very much like "bubbles". Simarly, "vavles" are
often mistaken for "valves".

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Robert Lutwak - 01 Feb 2005 22:59 GMT

In my case, it was a small hose under the hood that cracked and broke on a
VERY cold morning.

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-----

-RL

> The vent control pushbuttons that open and close the floor vents and the
> defogger vents no longer have any effect in the 240 wagon. Anyone had this
> happen to them?

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andrewunix - 02 Feb 2005 01:48 GMT

Tue, 1 Feb 2005 17:59:10 -0500, Lutwak@alum.mit.edu suggested:

: In my case, it was a small hose under the hood that cracked and broke on a
: VERY cold morning.

That was the culprit, alright. I replaced all of the bad-looking vacuum
hoses and snipped a clean end on the one that goes into the car, hooked
everything back up, and it worked.

Thanks to all who responded!

Andrew

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agreenbu @ nyx . net andrew michael greenburg

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