93 GT dash vent problem

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Fixing Stuff - 09 Dec 2006 00:52 GMT

Suddenly my dash vent selector does not work... all air comes out the
windshield defrost vents no matter where the selector is set.
I suspect it is simply a broken linkage/cable or vacuum pot or hose. Anyone
have suggestion on where to start on troubleshooting this one?

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Backyard Mechanic - 09 Dec 2006 05:06 GMT

> Suddenly my dash vent selector does not work... all air comes out the
> windshield defrost vents no matter where the selector is set.
> I suspect it is simply a broken linkage/cable or vacuum pot or hose.
> Anyone have suggestion on where to start on troubleshooting this one?

yeah... you stick your head under the dash. find the heater housing, look
for two shafts sticking out connected to cable or actuator.

Turn one control knob, then the other. If both are intact and move with
their respective knobs... then the deflector door is loose inside.

If actuator doesnt move follow cable or tubing back toward control.

Make sure you have vacuum to control section. Heater control panel
removable with radio tool available at Walmart or sound shop

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nfoster87@gmail.com - 09 Dec 2006 06:02 GMT

Its actually a really easy fix. I had the same problem. All it is is a
broken vacumn line. Look under the hood along the firewall, and you
will see three vacumn hoses. Check them all. I think that you will find
one of them is broken. At least this is what worked for me. They are
about 1/8 inch Dia.

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Fixing Stuff - 11 Dec 2006 21:42 GMT

Great info... thanks guys.

> Its actually a really easy fix. I had the same problem. All it is is a
> broken vacumn line. Look under the hood along the firewall, and you
> will see three vacumn hoses. Check them all. I think that you will find
> one of them is broken. At least this is what worked for me. They are
> about 1/8 inch Dia.

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