The A/C/ evaporator, or evaporator core, works as a heat exchange within a vehicle's engine. Most vehicles only have one evaporator, but larger vehicles, such as an SUV or van, may have two. The evaporator is located inside the passenger compartment of the vehicle, often times buried deep within the instrument panel. Vehicles that have two evaporators generally have the second located towards the rear of the vehicle behind a side panel, or above the rear passenger seats. Understanding what an A/C evaporator does it crucial to knowing how and when to fix it. The A/C evaporator looks and functions similarly to a radiator. It is made of aluminum, and the main physical difference is that it is much thicker and smaller than a radiator. Evaporators consist of several internal flow paths with attached fins. Air passes freely through the fins just as it would in a radiator, but the tubes carry refrigerant instead of engine coolant. Older vehicles use Freon, or R-12 refrigerant, but after 1994, vehicles use HFC-134a, or R-134a.

The cold refrigerant enters the evaporator at the same time as warm air enters from the engine's blower fan. ac units for a roomThe refrigerant absorbs the heat from the warm air, and humidity condenses on the evaporator's cool surface. best portable room air conditioner unitThe condensation drips outside of the vehicle through tubes, and the refrigerant completes its path to the compressor. how to wire up an ac unitThe A/C evaporator works like the heater core in the vehicle, only in reverse. Comparing the A/C Evaporator to the Heater Core The heater core in a vehicle transfers heat from the engine to the cabin, but the A/C evaporator works in a reverse manner, transferring warm air out of the vehicle, and then cooling it down and sending it back through.

There are similarities in the two components, and each need a series of heating and cooling system components to work properly. Passenger side under the dash Absorb passenger compartment heat Distribute passenger compartment heat A blower fan interacts with both the A/C evaporator and the heater core to help perform their main function. Leaks, malfunctioning system components, and many other issues can cause the A/C evaporator to stop working. A driver needs to know what to look for, and where to look when the cooling system stops working properly. The most common issue an A/C evaporator could have is a leak, but there are several reasons why a leak occurs. In most cases, a seam or weld has gone bad. Corrosion inside the evaporator causes an outside-in leak. This problem occurs when leaves or other organic material enter the evaporator case, usually through the air intake vents. The moist atmosphere within the evaporator decomposes organic material fast, and forms corrosive material that damages the evaporator.

Whatever type of failure the evaporator endured, it needs to be replaced. There is no easy way, or effective way to fix the A/C evaporator. The A/C evaporator is not an expensive part, but due to the placement, it can be costly for labor fees to replace it. A leak causes the refrigerant to dissipate, and in turn, the air conditioning in the vehicle not to work. There are several steps that need taken to replace the A/C evaporator: The new A/C evaporator core should be installed in the reversal order of removal. Car owners should ensure that refrigerant is added, that the plate is installed in the right direction, and the inside wall of the joints are clean. Owners should always replace O-rings with new ones coated with refrigerant, and replace joint caps. Many reliable sellers on eBay offer heating and cooling parts for your vehicle. If your air conditioning is not working in your vehicle, replace the A/C evaporator with a new one from a reliable seller. Convenient shipping options ensure the part you order makes it to your door fast, so you can get your vehicle repaired and back on the road.

Search for the A/C evaporator for your car or truck by entering the search terms in the top of any page. Location, price range, brand, and many other pre-defined filters for a more specific search can then filter the search results.Meet some of our highly rated mechanics If you don't book and pay through the ClickMechanic platform you can't leave a review. Hertfordshire, 23 years of experience • AC Condenser replacement • Bulb replacement - unspecified (one) Bucks, 25 years of experience Renault Clio II/Clio Campus/Clio Storia • Rear wheel bearing (both) replacement Dartford, 19 years of experience • Clutch replacement (Plate, cover & release bearing) South Harrow, 8 years of experience Walsall, 6 years of experience • Diesel fuel injector (one) replacement Crankshaft Position Sensor replacement Car Door Handle and Door Latch repair Exhaust Manifold Gasket replacement Heating & Air Conditioning repair

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How do you know there is something wrong with an AC Condensor? When the air conditioning does not work. When the air coming from the air vents is not as cold as usual. When there is a ticking noise coming from the engine bay. When there are patches of fluid on and around the AC unit. When should you consider an AC Condensor replacement? There is a number of reasons why an AC Condensor can go wrong. One example is when the condensor fan does not work properly, in this case the condensor will not adequately cool and can even damage the system. Problems can also occur when the condensor leaks. This usually means the condensor's tubes and seals have worn out due to normal use, but it can also mean that the condensor has been damaged by debris from the road (the condensor is usually situated at the front of the engine bay, and therefore prone to damage from outside). In other cases it can also be a case of the condensor being clogged up, usually because of the refrigerant getting contaminated with debris coming from other parts of the system.

It is important these isues are addressed as quickly as possible to prevent further, more expensive, damage to other parts of the system. Should you experience problems with the AC system or the condensor, then it is advisable to have the AC system and the AC condensor inspected and, if necessary, have the condensor replaced. Seeing that the AC condensor is especially prone to deterioration it should always be serviced as and when stipulated in the guidelines set out by your car's manufacturer. What happens during an AC Condensor replacement? Mechanic will read the ECU for possible fault codes related to the AC system. Mechanic will inspect the AC system and the AC condensor. If necessary, the mechanic will replace the condensor. Mechanic will advise if any other parts need to be replaced. Mechanic will refill the AC system after replacing the condensor. Mechanic will inspect the AC system once again and test the condensor to see if it works properly.