Questions & Answers for: GMC Sonoma weak air blowing vents car

AC not blowing out top vents My AC cools fine but I have no air blowing out the top dash vents. Only blow under dash. Kenny check the hose are not obstructed or broken.

air not blowing out top dash vents My AC cools fine but I have no air blowing out the top dash vents. Only blows under dash. Kenny Just posted my suspicions elsewhere: The baffles that direct air, ...

air blowing out the top dash vents. Only blow under dash. Kenny The baffles that direct air, heated or cooled, are controlled by vacuum 'motors.' You may have a vacuum line off somewhere or the vacuum

...else works fine 1999 gmc sonoma Replace the heater core. 98 s10 sonoma truck heater stop blowing out threw vent. defrost work and warm air. trun the switch to heat the truck does not work

...out ,replace the blower resister also these work together and control ur speeds ,it may have got ...

heater won't blow hot air and will only blow through defrost and floor vents check your vacuum source from the intake manifold to the mode switch

...vents closed, now even a/c blows hot air. engine is not over heating. thanks Go to carhelpsite.com it is free as long as you click on 2 of the ads at the website then your questions will be answered ...

...air flow to change from the upper vents, to the floor, to the defogger, etc. Is there some kind of flap under the dash thats not opening all the way or something? Thanks Sounds like more than one ...

96 Sonoma blows hot air even when the control is set to off. If control is left off, hot air blows on the floor. I have to turn the control to defrost so it doesn't roast my legs. The defrost, ...

...air blowing vents I have a 2005 grand prix and I'm getting no action what so ever out off my vents i was told my blower motor was good I'm so lost this car usually never give me problems first my car ...