2000 Chevrolet Silverado 2500 "heat blows defrost vents 1999" Questions

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

...1999 Volvo S70 blow something like fog from the vents whenever the temperature dial is turned up even the slightest amount. The air conditioner works fine for cooling. The problem only occurs with ...

...heat out the front vents I have the same problem, My thoughts are that maybe the heater gets to hot to go through the vent so It goes through the front defroster/dashbored. Either way it still gets ...

...blows lukewarm air. It does heat up the car. Just put in a new thermostat, antifreeze, new radiator cap and had the heater core flushed. What else could it be the flap in the air box may be broken or ...

No matter what setting you use air only blows out of the vents, No floor heat or defrost could be the vent selector switch.

...blows from both defrost and floor but not as hard as it should. The fan speed only works on high. It is the same for the heat. check the actuator motor on the heater sounds like the motor is not ...

heat on i can feel the vents getting warm but it doesn't blow. if the fan is blowing this could be a problem with the climate controll switch that changes the direction of air from floor to defrost to

...heat is not working. I checked the heater hoses and they were both hot. The vents blow out air except when it turns to defrost they I hear a loud plastic hitting plastic sound and it blocks all air ...

heat does not blow out the vents only the defrost. sometimes it does blow out through the vents but only ethier on low or just for a split second and then it goes back to the defrost. thanks tom Check

blows out heat or A/c fom the defroster Mode door actuator bad > electric motor that switches mode door from floor to vents to defrost ! Google mode door actuator for dodge Dakota ! Mite be a video