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Let’s go over all of the steps to repairing your vehicle’s complete A/C system. Pro Tip
One of the most common causes of poor A/C performance is low refrigerant.
If that's the case, we carry the exact products needed to add a refrigerant charge to your car's system and get it working again.
Good for intermediate to advanced DIYers – A little mechanical know-how will help complete this project
The compressor is the only moving component within the A/C system and pumps refrigerant thru the system. The compressor can fail due to several different reasons and some common causes of failure are lack of lubrication, running at extreme high pressures, low voltage at the clutch and bearing or clutch failure. For these reasons, we must check out the entire system and ensure everything is working properly. Look for visible leaks or abnormal noises coming from the compressor.
The primary function of the receiver filter drier or accumulator is to absorb moisture within the A/C system. Over time these components can become saturated with moisture and no longer absorb unwanted moisture. Moisture that remains in a system will mix with the refrigerant and form an acid which can cause damage to the compressor or other components in the system. It is necessary to replace the Receiver Filter Drier or Accumulator when replacing a compressor.
Orifice tubes and expansion valves meter the refrigerant flow within the A/C system. The filters on these can become plugged over time and cause restricted refrigerant and lubricant flow. Be sure to replace the orifice tube each time the A/C system is opened up for repair.
The condensers job in the A/C system is to remove heat from the refrigerant as it passes thru it. Condensers can leak, the fins can be plugged with debris and the passages are now so small they cannot effectively be flushed out to remove debris. The best solution will be replacing the condenser after a compressor failure otherwise the system may not preform properly.
The evaporator is located under the dash and becomes cold when the refrigerant passes thru. This removes heat from the cabin area as the blower motor moves air over the evaporator, resulting in cool air coming from the vents. Evaporators may need to be replaced if leaks develops. Many times you can see the leak by noticing a light fog coming from the vents with the A/C on.
A/C hoses with a muffler built in should be replaced whenever replaceing a compresssor. There are tiny passages that can become plugged over time and restrict refrigerant flow.