Operation CHARM: Car repair manuals for everyone.

Flushing Air-Conditioning System




Flushing air-conditioning system

1. Connect service unit.

2. Evacuate.

3. Open filling valve 2 and high-pressure valve 6. Allow enough fluid refrigerant to flow until a pressure of approx. 2 bar (absolute) is indicated. The liquid refrigerant vaporized in the system and takes up any traces of water present.

4. Extract refrigerant.

5. Evacuate.