Question about Cars & Trucks
Start by figuring out if the blower motor works, is there any air that comes out the heater or vents, if so most likely the cable that opens & closes the flaps that direct the air flow to the various vents and ports. these often get knocked loose during stereo installs and routing speaker wires.
Posted on Nov 19, 2013
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Posted on Jan 02, 2017
common problem, check under dash by the gas pedal if control arms are muving went selecting from ac to heat cuz this it is the control for the vents to go from ac to heat and to defrost.
Posted on Feb 23, 2009
Is it a new vehicle? I had a new vehicle that had the same problem. Answer was that the holes weren't punched out of the vent.
Posted on May 23, 2009
Some thing you could look at would be this. The control is usually fed by a vacuum line or small hose thats is connected to your intake manifold.
With a cold engine,look for a skinny vacuum hose that runs from the intake toward the fire wall . It should be going inside the cab and connecting to the A/C vent control.Some times the hose becomes disconnected or splits or cracks due to heat under the hood.
Thats usually the trouble.
I hope this helps you.
Posted on Oct 06, 2009
its a problem with the switching mechanism. you have to look up under the dash to see if you can see where the switching mechanism is. if you can not see it from there youll have to remove complete center dash
Posted on Apr 04, 2010
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