Car Air Conditioning Service

A vehicle without Air Conditioning can make for a sweaty and uncomfortable ride. A properly working AC keeps you and everyone else in the vehicle comfortable, happy and cool all season long. Did you know  that a car's air conditioning system does not create cold air. It actually takes the heat and moisture out of the air that is already in your car, leaving behind cooler air. Having a good understanding of how the components work can help to explain the methods of repairs in the air conditioning system.

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If you've noticed a lack of cooling capabilities from your car's Air Conditioning, its time to bring it into the shop for service. If you’re a/c system is not working properly, it is a good idea to have your trusted repair facility perform some basic checks. We will check the operation of the compressor, it’s clutch and belt, check the high and low pressures of the system while operating, check proper control panel operation, check heater blower fan and engine cooling fan operation, check for restrictions in the system, check for proper air flow through the condenser and evaporator, and check for any obvious leaks. 

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The A/C system is quite complex, which is why you should leave it to the professionals. If you've ever walked through the auto parts section of a big-box store during the summer months, you've probably noticed refrigerant recharging kits for sale for the DIYer. Those kits advertise the "at-home cost-savings" over having a qualified mechanic diagnose the system, but come with drawbacks that are not disclosed on the products.

The freon/refrigerant resides in the a/c system. The a/c compressor initiates the high-side of the system where it compresses the freon/refrigerant into a high-pressure state causing it to liquefy. It then travels through the high-pressure lines to the condenser. The condenser (which is similar to a smaller sized radiator), puts the liquid into contact with cooler fresh air which inturn absorbs the heat from the liquid. It then flows into the expansion valve (or orifice tube) where it is restricted and changes to a gas state in the low-pressure side of the a/c system. After, it heads into the receiver dryer (accumulator) that contains a desiccant bag to remove and collect unwanted moisture and impurities. The clean gaseous freon/refrigerant then travels through the tubing into the evaporator (that is usually located in the passenger compartment of the dash). Freon/refrigerant in its gaseous state is now able to absorb heat from the air passing through the evaporator fins, leaving behind the cooler air. A Blower Fan then pushes this cooler dry air into the car’s cabin. The refrigerant travels back to the compressor in the suction hose of the a/c system to get compressed back into the high-pressure gas and begin the process all over again.

The freon/refrigerant also carries dispersed oil that helps to keep the air-conditioning compressor lubricated while operating. Freon/refrigerant staying charged or in a full state is crucial to the proper operation and lubrication of the a/c compressor. R-12 used to be the commonly used freon/refrigerant up to 1993. All vehicles that were produced in 1994 and later were required by the Environmental Protection Agency to be equipped with R-134 freon/refrigerant, which was determined to be better for the environment. There were also stricter regulations enforced against the leakage and handling of refrigerant/freon and the repairing of a vehicles a/c system. In the ever advancing world of automotives, 1234yf freon/refrigerant, which is even less damaging to the environment than R-12 and R-134 is now being used in many Makes and Models. 

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If the freon/refrigerant level gets low, the a/c system may still operate, even though it may lose some of its cooling effect, or it can shorten the cycle of operation, and it can also cause damage due to the compressor not being properly lubricated while operating.  Refrigerant itself never goes bad or disappears if it's in a sealed pressurized system. If an A/C system is low on refrigerant, there is almost certainly a leak somewhere in the system. Because refrigerant is highly damaging to the ozone layer, it's a car owner's environmental responsibility to have the vehicle diagnosed and repaired for a refrigerant leak as soon as possible.

Once the leak has been located and repaired, the system is then professionally recharged with the correct amount of refrigerant. 

We are your trusted car and truck A/C repair & auto air conditioning services... Boro Line has the trained & certified auto A/C service technicians your vehichle needs! 

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Lets say my A/C isn't blowing cold but I want to save a dollar. So I go out to the store, find myself a kit that I think may be what I need but I'm really not so sure. I get home open the hood of my car, scratch my head and hope I'm following those fine print instructions correctly. If ya manage to get that far, this is what happens next...

  1. First, if you're not fixing the problem your just blowing your money out into the neighborhood- if your not repairing the leak that's caused a low refrigerant level in the system, the system will just continue to leak! And to note: that leak.. its Ozone eating chemicals (CFCs)~ ozone depletion and greenhouse effects are just the tip of the iceburg- don't rule out cataracts and skin cancer down the road: all right from under the hood of your car. Not only is the DIY method bad for the environment, it will eventually lead to recharging the system again: buying another refrigerant recharging kit. (Doesn't sound like I'm saving money anymore!)
  2. Second, the refrigerant in your car's A/C system operates under pressure- correct system pressurization means less wear and tear on system components. At Boro Line Auto Service we will utilize a more sensitive pressure gauge when recharging the system and ensure it's recharged to manufacturer's specifications- which just isn't happening with DIY kits.

Here is a list of Tips to keep your car cool!

Use these tips to help cut down on high temperatures and uncomfortable conditions in your car:

1. Use a sunshade or window visor!

2. Cover your steering wheel with a hand towel once parked! 

4. Park in a shady area!!!

5. Keep your precious possessions out of the sun!

6. Park in a garage whenever possible!

7. Have your Air Conditioning Serviced by a trained professional!


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If you have questions or comments, call us at 610-265-0747 or email us at At Boro Line Auto Service, we provide auto repair, auto maintenance and much much more in King of Prussia PA 19406.

#AirConditioning #AutoRepair #A/C #HVAC #Car