Strange HVAC issue onmy 98

BlackIceLSC

Registered
I bought it and the seller fully disclosed "the blend door is broken"

Yesterday I decided to just open the top of the dash(remove message center screen) so I could see the broken blend door actuator.
To my surprise, it is NOT broken, the arm is intact and the motor works as it should.
The metal rod is off because the lower gray arm is broken.

I can move the lower arm about 1.5" down towards the floor/glove box but it hits a "stop" inside the HVAC box...almost like a door hitting the end of its travel.

while working the climate control, I can see the black arm move as it should...and when manually pulling the gray arm down until it stops like the flap/door has "closed", yet I still get no heat. It feels like the temperature is getting warmer a few degrees when I have the gray arm pulled fully closed/against whatever is stopping it.
But what is odd is, if I let go of the gray arm, it returns to the UP position like it is on a return spring =it doesn't stay where I pull it to....and the temperature is only 5 degrees warmer than ambient(if I had to guess)



any suggestions?
 
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