air

Hi...I'm having a problem with my 2004 grand am. It doesn't matter which position i switch the air fan selector to(defrost, feet,dash..etc), the air just blows out of every vent. I have hot and cold air...the blower motor is working...I replaced the control panel all together. It's got to be...

I had my heater replaced a few months ago, and as soon as it was returned to me, I noticed a hissing noise when using the heat/air conditioning/vent. Usually the noise is only audible when on the higher air settings (3-4), and it doesn't hiss when going through the defrost vents. I don't know...

hey people i need to replace my air intake solenoid, is that an easy enough job or should i take it to a shop and is it an expensive fix? thank you