What's Involved in Servicing Your Car's Air Conditioning South Portland ME

While most newer vehicles may simply be able to get away with having their A/C recharged, older cars and trucks may require a little extra attention. If you're confused by the laundry list of parts your mechanic says you need, don't worry, DriverSide is here to help.

Don Foshay's Discount Tire and Alignment
(207) 773-0112, 001-2004
380 Main Street
South Portland, ME
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Blue Seal Certified
Membership Organizations
National Institute for Automotive Service Excellence (ASE)

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Black Point Auto & Towing
(207) 883-4114
52 Manson Libby Road
Scarborough, ME
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Auto Service & Repair, Brakes Service & Repair, Auto Inspection
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American Express, Discover, MasterCard, VISA

New England Transmission
(207) 767-3269
85 Chambers Avenue
South Portland, ME
 
Meineke Car Care Center
(207) 799-6443
310 Main St
South Portland, ME
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Mufflers Repair

The Signery
(207) 879-7700
299 Forest Ave
Portland, ME
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Auto Body

Avis Budget Group
(617) 561-3610, 001-2004
968 Westbrook Street
Portland, ME
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Blue Seal Certified
Membership Organizations
National Institute for Automotive Service Excellence (ASE)

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Horsepower Autocare, Inc.
(207) 892-9420, 001-2004
44 Roosevelt Trail
Windham, ME
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Blue Seal Certified
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National Institute for Automotive Service Excellence (ASE)

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Midas Auto Service Experts
(207) 774-5944
570 Forest Avenue
Portland, ME
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Oil Change and Lube,Brake Repair,Electrical Repair,Mufflers Repair

Hamiltons Service Station
(207) 773-1930
205 Park Ave
Portland, ME
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Oil Change and Lube,Auto Repair,Brake Repair,Electrical Repair,Mufflers Repair,Retail Tire,Service Stations,Truck Repair

Duvals Service Center
(207) 799-7314
20 Park Avenue
South Portland, ME
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Brake Repair,Electrical Repair,Emissions Testing,Mobile Auto Repair,Retail Tire,SUV Repair,Used Car Dealers

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What's Involved in Servicing Your Car's Air Conditioning

What's Involved In Servicing Your Car's Air Conditioning By Zach Bowman, DriverSide Contributing Editor 
Summer is here in a big way, and that means your vehicle's air conditioning system is going to be under a serious strain before long. If you haven't had your system serviced in a while, now's the time. While most newer vehicles may simply be able to get away with having their A/C recharged, older cars and trucks may require a little extra attention. If you're confused by the laundry list of parts your mechanic says you need, don't worry, DriverSide is here to help.
 




If you think your A/C isn't as frosty as it used to be, but it's still blowing cold, you may be able to get away with simply recharging your system. While manufacturers used to use a type of refrigerant known as R-12, or Freon, researchers have found it is a leading cause of ozone depletion. As such, it's illegal to use Freon in your car today. Since as late as 1994, manufacturers have used R-134a to keep things frosty in the cabin. 
 
While you can technically recharge your vehicle's refrigerant yourself, its best left to a qualified professional if you're not confident in vehicle maintenance . All refrigerants have a tendency to displace oxygen, which means if you accidentally evacuate the system, the stuff could literally push the air out of your lungs. Not fun. Once you take your car to a shop, most technicians will measure the amount of pressure in your system, and if it's low, they'll add enough to get the reading within your manufacturer's specifications. They will then run your car for a few minutes with the A/C on high and use a special thermometer to measure the system's output. If it's not within the necessary parameters, you may have a leak somewhere in your system.
 
If you do have a leak, your technician will hook your vehicle up to a special refrigerant recovery system and drain any of the harmful gas from your car. At this point, most responsible shops will inspect all of your air conditioning hard lines to make sure there are no obvious cracks. They may add a tracer dye to the system to help out. The good news is, your expensive hard lines are usually made of aluminum and rarely fail. Instead, it's likely one of your system's components is the culprit. First up is your compressor.
 
An air conditioning compressor is usually driven by your vehicle's serpentine belt, and as it spins, it pressurizes the system's refrigerant. Simply put, it's this change in pressure that cools the air coming into your cabin. An A/C compressor spins at a dizzying rate, and the more you use the cool side of your thermostat, the more likely it is to eventually fail or leak. One of the main differences between R-12 and R-134a is that the new refrigerant requires supplementary oil to be added to the system to make everything function. R-12 did not. If your compressor has run low on oil, it's possible the interior ...

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