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Louisville
(502) 368-3304
7000 Southside Dr | Louisville, KY 40214
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(502) 368-6333
7944 3rd Street Road | Louisville, KY 40214
New Albany
(812) 913-6049
528 State Street | New Albany, IN 47150
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19
A/C Problems Demystified
posted on
7/19/2016 12:54:33 PM
Believe it or not, the A/C system in your vehicle is fairly simple in principle and design. Like your refrigerator, it operates on a cycle of compression and expansion of a gas, known as refrigerant. The compressor turns the gas into a liquid, and as the gas evaporates it provides cooling. Like your refrigerator, its main components are:
Compressor
Condenser
Receiver/dryer
Thermostatic expansion valve
Evaporator
Refrigerant
Blower
The good news is most automotive A/C systems have become very robust and reliable compared to cars from a generation ago. Most of the time, poor performance is due to low refrigerant levels due to leaks in the system around the O-rings, gaskets, seals, and lines (which can all dry out and shrink). Low refrigerant can mean other problems though. Since refrigerant contains oil which lubricates the compressor, low levels of refrigerant can mean an overheated compressor sending tiny shards of metal through the rest of the system to wreak havoc.
These are sure signs of problems:
A/C that's barely cooler than the air outside
A/C only blows cold while car is moving, not at idle
Metallic clicking under the hood, as the compressor's magnetic clutch cycles the compressor on and off
Musty, "dirty socks" smell from air vents
Volume of air from vents is never enough
Obviously, all these components can potentially fail...but often they fail due to low refrigerant levels, and even a late model vehicle can lose five to ten percent of its refrigerant over a year's time. Why take chances? Recharging the system with refrigerant is easy and inexpensive, and should be part of your A/C system's (and your car's) routine maintenance!
Categories:
Auto Repair 101
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(502) 368-3304
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Address:
7000 Southside Dr
Louisville, KY 40214
Email:
[email protected]
Phone:
(502) 368-6333
Fax:
Address:
7944 3rd Street Road
Louisville, KY 40214
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528 State Street
New Albany, IN 47150
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Kaiser Tire Pros
7000 Southside Dr,
Louisville, KY 40214
Phone:
(502) 368-3304
Fax:
40214
38.15605,-85.76501
Kaiser Tire Pros
7944 3rd Street Road,
Louisville, KY 40214
Phone:
(502) 368-6333
Fax:
40214
38.12821,-85.7951
Kaiser Tire Pros
528 State Street,
New Albany, IN 47150
Phone:
(812) 913-6049
Fax:
47150
38.28774,-85.82468
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