Car encyclopedia

Air Conditioning Evaporator Replacement

The air conditioning evaporator cools and dehumidifies air in the passenger compartment of the vehicle. It is located behind the dashboard.

It is difficult to detect leaks in the AC evaporator because it's located behind the vehicle’s dashboard.

To replace the evaporator, refrigerant must be flushed from the system. Replacement of the evaporator usually involves major disassembly of the vehicle’s dashboard, center console, and much of the interior in order to gain access to the evaporator.

The AC system should be operated at least once a month to circulate the refrigerant—even during the winter. The AC system operates at very high pressures. Special tools and knowledge are needed to work on it; this work must be carried out by competent, trained technicians.

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