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My mechanic says my ac is plugged,can this happen and if so what is remedy to fix it.would the ac cabin filter be plugged if so where is it located on my 2002 sunfire 2.2l
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Two potential failures come to mind for this issue; a dirty cabin filter or a fuel system leak. Cabin filters catch debris that is suspended in the air before it comes out of the vents. These contaminants build up on the surface of the filter and can produce a foul odor and reduce airflow. If this is the case, the cabin filter simply needs to be replaced in order to resolve the problem. A fuel system leak is another possibility but is a much more serious issue. Fuel that escapes the system will evaporate into the air which can then be drawn into the A/C system via the fresh air intake (located beneath the cowl area, close the the windshield wipers). Although this would cause a foul odor in the cabin, the bigger problem is that flammable liquid is close to a heat source (exhaust) under the hood which is a recipe for disaster. Because this is a potential safety issue, I'd recommend having a trained mechanic inspect for a fuel leak and repair as necessary. You can read more here: https://www.yourmechanic.com/article/how-to-find-odors-in-a-car-by-robert-tomashek
1994 Mercury Capri ac does not have a cabin air filter. Weak air flow and bad smell could be debris in the fresh air/ac inputs. Check under the hood for debris where the air enters, the area under the wiper, and behind the vents inside, they get clogged if you park under a shedding tree...Chris
A blower motor resistor regulates the AC and heating system for your car by controlling the blower motor. Without a blower motor resistor in the car the ventilation system will not blow well or not at all. Fixing the blower motor resistor should help fix the climate control mechanism. This is located behind the glove box near the cabin air-filter. If you want to do this yourself, there are how-tos on youtube such as this one here.
if you car is equipped with cabin filter to filter the air entering the blower right, blower motor can be touching to sides of its housing since its bearing is broken.
if no cabin filter, probebly you have leaves or small pieces of wood coming from trees. those are touching to the surface of blades of fan inside blower motor housing.
Usually the cabin filter is located under the air draw that is directly below your windshield wipers. The air draw is the vents next to the windshield. Access is normally a few screws or bolts. Then replace the filter.
If the air conditioner emits a foul odor into the cabin it is probably the drain tube on the evaporator core is clogged. What happens is the clog causes mildew to start growing and then it blows the stink right into the car. And to answer your question the cabin air filter location all depends on the year make and model of the car.
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