1998 GMC Jimmy "air blasting" Questions

...it run with it on defrost at full blast until the vehicle gets to running temp,if there is still air in the system it will blow cold air if that doesn't work then check to see if the vacuum lines ...

...2 to 3 gallons of 50/50 antifreeze water mix into the system till full. Start engine and top off as air surfaces and level in rad drop due to the air coming out of the block. Let vehicle come up to ...

...panel it appears that it should be blasting out cold air but there is absolutly nothing coming out of the vents at all. also tried hot air but still no luck. Control panel and or switch may be at ...

...air completely off and it kept blasting. I tried different buttons related to the air but nothing helped. when i turned the defroster on it kept going but made a louder noise there's a bad switch ...

i water blasted the motor & then dryed it with compressed air but under load it wont rev & misses & dies no power jst wont drive ? Hi Gary: I'd be guessing that there is moisture inside the ...

Air/heat blower is not working unless it is on high. Does not matter if AC is on, if you are using only defrost, dash, floor vents, etc, the blower only works when it is on full blast. When on full ...

Air Conditioning unit shuts down and turns blower on full blast When im driving, the digital screen on my AC goes blank and the blower turns on full blast. I have to press the screen until the digital

fan hardly blows out, even when it is on full blast check were the blower is at that panel were the air runs thru it gets full of dirt you might want to clean it out that will help

...blasting cold air at full speed despite every thing being turned off/down. something started to smell hot and the ice/snow on hood began to melt so i turned the car back on and called the fire dept ...

...the sliding doors Heat blows from vent on the sliding doors, its not the temp gage, its all on cool air and so is the rear control, its whenever the rear air is on the vents on the top blow cold and ...