2005 GMC Sierra "air heater blower blow" Questions

...Heater will not blow air.. I have a 2004 GMC Envoy. My A/C and Heater recently stopped blowing air. I know that the compressor works because it gets cold to the touch. While I drive the fan is forced ...

...air? And where is the relay switch located, is this an easy fix, could I do it myself? Please Help. INTERIOR FUSE AND RELAY IS LOCATED AT THE LEFT END OF INSTRUMENT PANEL UNDER A COVER that system is ...

heater blows, but only cold air 2005 GMC Sierra 1500 4.8l 55k miles. Blower works in all heat settings, just no hot/warm air. Driver and passenger sides are the same. Feel little to no difference when

heater blowers work fine but only blows cold air until you start into a good continuous acceleration. It blows cold though no matter how long the truck sits idle after cranking. Never done this before

...heater core and drive as you would.Do not disconnect them,just clamp them. Also,don't over look air flow through the a/c condenser at the front,any restriction of air flow or a slow fan or only one ...

...heater isnt working controlls work but blower will not blow air Check the fuse for the blower motor. If its okay, check for power at the heater motor. If you have power, and no blow, the blower motor ...

...air my heater blows out hot and cold air at the same time. when the blower is not on just hot air comes out when the blower is on regardless of which speed both hot and cold air blow out making it ...

...heater below blows cold air while the defrost blows hot. when i switch to just defrost the bottom heater stays on and blows cold air. when i have front dash and defrost on it blows hot but again the ...

...Heater blows only cool air...even w/ defroster on. This is a ... Heater fandoesn't come on . ... The blower works but there is no heat coming out. Blower Motor Problems ' Auto Repair Help - YouTube ? ...

heater/air stop blowing after car is run for maybe 30-45 min. Have replaced blower motor 3x, not apparent reason but when car is run for awhile, and heater or air are on and it blows well, suddenly ...