Air Conditioning Problems Analysis Cases

Analysis of AC system failures, cooling problems, and HVAC performance issues.

2006 Buick La Crosse Water Sound Behind Dash
2006 Buick La Crosse
The owner reports hearing a water sloshing sound behind the dashboard when driving uphill, downhill, or turning sharply. This noise seems to originate...
Buick La Crosse water sound
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Screeching Noise from Air Conditioning Compressor
2005 Mitsubishi Magna
The owner reports a screeching noise coming from the air conditioning compressor, along with a slipping and screeching belt. This issue has been inter...
air_conditioning compressor_noise belt_slipping
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A/C Noise and Water Leakage Issue
2007 Dodge Caravan
The owner reported that the A/C started making a funny noise when turning left, and later discovered water dripping onto the passenger side floor when...
A/C system water leakage Dodge Caravan
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2005 Nissan X-Trail Smoke Through Air Vents
2005 Nissan X-Trail
The owner of a 2005 Nissan X-Trail reports that after running the vehicle for about 15 minutes, smoke or steam begins to come through the air vents, c...
Nissan X-Trail HVAC
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2007 Nissan Pathfinder A/C Diagnostic Analysis
2007 Nissan Pathfinder
The owner of a 2007 Nissan Pathfinder reported that the A/C was not cooling as effectively as normal, especially in high temperatures exceeding 100°F....
Nissan Pathfinder A/C issues
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A/C Shut Off During Acceleration on 2005 Ford Econoline
2005 Ford Econoline E150
The owner of a 2005 Ford Econoline E150 reports an issue with the A/C system where it shuts off almost completely when the gas pedal is pressed, but i...
Ford Econoline A/C
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2005 Chevy Tahoe Whining Noise at Low RPM
2005 Chevrolet Tahoe
The owner recently purchased a used 2005 Chevy Tahoe and noticed a whining noise at low RPM after the engine warms up. This noise occurs around 1200 R...
Chevrolet Tahoe whining noise
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Chevrolet Avalanche AC/Heater Noise Diagnosis
2010 Chevrolet Avalanche
The owner reports that the AC was functioning well until they stopped at a store. Upon restarting the vehicle, a loud rumbling noise emerged from the ...
HVAC blower_motor Chevrolet
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1992 GMC C1500 Air Conditioning Electrical Diagnosis
1992 GMC C1500
The owner of a 1992 GMC C1500 reports issues with the air conditioning system. They noted that the compressor is not engaging, despite using a freon r...
GMC C1500 air conditioning
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2005 Toyota Sienna Rear Evaporator Leak Diagnosis
2005 Toyota Sienna
The owner reports that the rear air evaporator in their 2005 Toyota Sienna leaks water onto the carpet in the cargo area. The issue arises when the ai...
Toyota Sienna A/C system
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2006 GMC Sierra A/C Hot Electrical Smell Diagnosis
2006 GMC Sierra
The owner reports a hot electrical smell coming from the vents when the air conditioning is activated. Turning off the A/C and allowing the fan to run...
GMC Sierra A/C
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Cadillac Deville Heater Blowing Cold Air Diagnosis
1992 Cadillac Deville
The owner of a 1992 Cadillac Deville reports that the heater is blowing cold air, despite having replaced the thermostat and flushed the heater core. ...
Cadillac Deville Heater
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2006 Ford Mustang A/C Blower Speed Issue
2006 Ford Mustang
The owner reports that the A/C in their 2006 Ford Mustang works fine at speed 1, but it does not blow air at speeds 2, 3, or 4, remaining at speed 1. ...
A/C blower motor resistor
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2008 Mitsubishi Lancer Water Leak Diagnosis
2008 Mitsubishi Lancer
The vehicle owner reports water leaking from the front driver's side of the car. Upon inspection, the leak appears to be coming from a hole located ce...
Mitsubishi Lancer water leak
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2007 Hyundai Elantra A/C Not Cooling After Compressor Replacement
2007 Hyundai Elantra
The owner of a 2007 Hyundai Elantra is experiencing issues with the A/C system, which blows warm air instead of cold. After recharging the system and ...
A/C system compressor refrigerant issues
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Passenger Side Heater Not Working on 2005 Kia Amanti
2005 Kia Amanti
The owner of a 2005 Kia Amanti reports that the passenger side heater is not functioning, continuously blowing cool air despite the driver's side heat...
Kia Amanti heating system
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2007 Honda Civic AC System Diagnosis
2007 Honda Civic
The owner of a 2007 Honda Civic reports an issue with the air conditioning system not cooling effectively. They have received conflicting information ...
Honda Civic AC System
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2007 Honda Civic A/C Intermittent Cooling Issue
2007 Honda Civic
The owner reports that the A/C in their 2007 Honda Civic intermittently blows hot air instead of cold. When functioning properly, the A/C blows cold a...
A/C intermittent cooling low pressure switch
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