2003 GMC Sierra "heat wont blow vents" Questions

wont blow any air out of the vents i turn on my heating unit and turn the temperature all the way up and the fan all the way up and it will not blow any air out of the vents not even with the ac on. i

Heat wont blow through heater or defroster vents Warm/hot air will only blow through adjustable vents on the front of the dash, will not blow through defrost or floor board vents. However, cold air ...

...heat on floor but wont blow from vents iv changed my thermostate and heater core the car blows tons of heat from floor but not very hot from my vents iv burped the cooling system also its a 96 3.1 ...

Heat wont blow through heater or defroster vents Warm/hot air will only blow through adjustable vents on the front of the dash, will not blow through defrost or floor board vents. However, cold air ...

heat not blowing through vents turned all vent circulation off and now heater wont blow through vents. AC does but the heater blows through the front defroster area/vent. To troubleshoot this types of

thefront heater fan wont blow out heat i can feel the heat in the vents but i cant hear the fan running or feel it blowing CHECK 1 FUSE, 2. RELAY, 3 NOTHING IS STUCK IN THE VENT TO BLOCK THE MOTOOR

air or heat wont blow middle vents hear clicking in dash I have NO vents blowing on the dash , shifted from floor to defrost no trouble??? Help...AC or Heat

...wont stay on Sounds like either a blend door actuator fault, or a climate control head fault. Either way, you may have to get deep into the dash for repairs. Hope it helps. Good Luck! heat comes ...

heat jaguar 88 xj6 fan wont turn on cool air out the defrost vent I have the similar problem with both my Jaguars, one is a 1988 Jaguar XJS, the other is a 1987 Jaguar XJ6, both blow COLD air out some

...heat wont blow out my vents just my defrost vents and it wont switch from ac to heat in my 97 gmc jimmy whats the problem blend door sticking not sure if this year has an electronic actuator for the ...