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Alderman's Chevrolet GMC Service
4.9
Good StandingFr 7:00 AM – 5:00 AM
Sa-Su Closed
White River Subaru Service Center
4.8
Good StandingSa 7:30 AM – 4:00 PM
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The most common symptoms that your vehicle's air conditioning is having problems are low air from the vents, warm air, and temperature stuck at a specific setting. These symptoms are enough for mechanics to know where to start checking. Read about more common AC symptoms below:
1. Weak or No Airflow from Vents
Cause: A clogged cabin air filter, failing blower motor, or blockage in the AC system can prevent proper airflow.
Cause: Low refrigerant levels, a failing compressor, or a malfunctioning expansion valve can result in warm air instead of cool air.
3. Unusual Noises When AC is On
Cause: A worn compressor, damaged AC belt, or debris in the blower fan can cause rattling, squealing, or clicking noises.
Cause: Mold or mildew buildup in the evaporator core or a dirty cabin air filter can cause unpleasant odors when the AC is running.
Cause: Cracks or damage in the AC hoses, seals, or compressors can cause refrigerant leaks, which reduce cooling efficiency.
6. AC Cycles On and Off Frequently
Cause: A faulty pressure switch, low refrigerant, or an issue with the compressor clutch can cause the system to turn on and off irregularly.
7. Water Leaking Inside the Cabin
Cause: A clogged AC drain hose can cause condensation to back up and leak into the passenger compartment.
Cause: Electrical problems, a faulty relay, or low refrigerant levels can prevent the compressor clutch from engaging.
9. Higher Cabin Temperature Despite AC Running
Cause: A failing condenser or radiator fan can reduce the system's ability to cool the air effectively.
Cause: A malfunctioning thermostat or expansion valve can cause uneven cooling, with some areas of the cabin being warmer than others.