2004 GMC Sierra 2500 "truck heat blowing" Questions

...truck off to get the heater to work again. you have a couple of problems first of all your drivers sd=ide heated heat pad is probably faulty, for your heating problem you may have to get the hvac ...

blowing cold. the controls are of the slider type. passenger side temperature works ok Thankfully it was the drivers side controller! I found the temp control actuator located under the dash almost on

...heater a long time to heat up when i go to warm up my gmc 2500 truck it blows cold air but when i drive it and it gets to 220 temp, it will start warming up needs a thermastat or your low on ...

...blowing out white smoke what could b causing this White smoke is often water.  Sometimes it is from the separation of alcohol in blended gasahol fuels.  Moisture is attracted and as the ...

heat wont blow out when turned on when i turn the heat on the heay will not blow out the vents on either setting- it will make a humming sound but will not blow out the heat-you can feel it when u put

...it was fine and heat was blowing but now it's stopped blowing heat again...just blowing cold air?? maybe heat control switch which opens a valve lets hot water into heater core or thermostat ...

...then lost heat but still blowing and then car over heated Sounds like a possible water pump problem with the over heating part. About the heater only blowing cold you may have to get it

Blows heat on passenger side only . Blows cold air on drivers side only passenger side blows out heat. Drivers side blows out Only Cold Air . Temperature controls are both set on heat A nice radiator ...

...heat will run me out of the truck. Please help. on the bottom of the heater case is a vaccum door right on top of the hump it has a white plastic adaptor that breaks replace with dealer part it just ...

Heat blows from panel on drivers side, but no heat Heat blows from panel on drivers side, but only cold air blows on the passanger side and thermostat is set on heat Stuck blend door under dash.