Not the typical HVAC problem [Archive] - GrandAmGT.com Forum

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ss88
01-19-2009, 07:56 PM
Hey guys,
I've got an HVAC problem, I've search the boards and can't seem to find any help or other people with this problem.
First off, 1 and 2 don't work. It's been replaced once before...
But, thats not the real problem. Just yesterday after using the heat and toggling through my vent selections (defrost, legs, mix, etc..), it stopped working. Now instead of being able to control where it comes from, it comes out everywhere, but from the face the strongest. Any past experiences, or ideas? Thanks

1999 3.4

gagt Mechanic
01-20-2009, 08:08 AM
you could have something jamming your mode door.

tenspeed
01-20-2009, 11:55 AM
You might have lost vacuum.

timberwoof
01-20-2009, 11:57 AM
I'm having the same problem. How do you check the door and the vacuum?

ss88
01-20-2009, 06:49 PM
I don't know. How do you check those things?