2002 Chevrolet TrailBlazer "air conditioners defrost" Questions

vents only the defrost and feet. any ideas? Typically, you have a vacuum issue, air flow system is designed to FAIL in the defrost mode, so no vacuum, doors are spring loaded to blow out defrost ports

...air in by the defrost vents and blows it back out of the normal vents try to move the controls to make sure the that the shutters are working and make sure the ac is not on max by selecting the knob ...

...AIR CONDITIONER OR DEFROST IS TURNED ON, MY ENGINE KILLS. Inspect the air conditioning compressor for being siezed up. Not the clutch on the front, but the actual compressor. I suspect it is the ...

2004 chevy trail blazer will not idle when air conditioner or defroster is on posible you need a new iac or clean t body

...to do with the engine dying. What sensor did you replace. When you turn on the defroster, the air conditioner also comes on. Engine idle speed is supposed to increase when the a/c is on so the ...

AIR CONDITIONER WILL ONLY BLOW THROUGH THE DEFROST AND FEET VENT. WILL NOT BLOW THROUGH THE FRONT VENTS. you vacumn pipes are perished ,work from the inlet masnifold backwards and iam sure you find a ...

...is an additional voltage draw on top of that. With normal heat, the air conditioning compressor doesn't come on, but when you request defrost the air conditioning compressor DOES come on. Auto ...

...air conditioner only works on low and high. Also only works on floor and defrost.....what is wrong? Seems like you have two issues. The first one, I would check the fan resistor under the ...

...air continues to only flow from the floor vents THERE COULD BE A PROBLEM ON THE CONTROL SWITCH. you have problem with vent control. it could be an electric controller or a vacuum controller. the ...

...defrost or air conditioner my motor loses power until the a/c or defrost switches off The AC does draw about 5 horse power so yes you will feel that, you can't have AC without the engine doing extra ...