Mark jenkins 395 379 views.
2000 blazer hvac vent floor selector.
No defroster air or air going to the floor.
The heater blows hot air and the ac blows cold air but it will only come out of the dash no other place.
I move the selector to floor and it comes out the defrost vents.
Mark jenkins 400 264 views.
Air blowing from defroster duration.
Astro van 4 3 vortec heat air control vent s not working.
What could be my problem.
Gmc jimmy s10 blazer diy how to diagnose hvac mode control vent defrost floor selector duration.
Replacement hvac actuator on amazon http amzn to 2gcsjdr replacement blend door actuators on amazon http amzn to 2eid8sh blend door actuator gear reb.
My 2001 4x4 s 10 just blows air out of the dashboard vents no matter where the switch is.
My 2000 chevrolet cavalier vent selector witch runs off the engines vacuum system.
I have no floor heat on my 2000 chevy blazer but have heat to the panel and defrost.
To fix this you need to remove the entire dash to get the heater box out which.
Or the solenoid switch inside the ac control unit has failed.
The traveling prospector 34 277 views.
If it is like the 2002 blazer it is vacum controled.
Gmc jimmy s10 blazer diy how to diagnose hvac mode control vent defrost floor selector duration.
A small hard black hose on the driver s side under the hood goes thru the fire wall and to the ac switch vent control on the dash and then to a control box on the driver s side under the dash.
The vents did not switch from front vents or defrost or foot vents.