Ac system fully black because of its compressor damage. between piston and compressor body friction damage both piston and compressor.and raise black metal particle. In that sechution need full ac system replace but we also clean it. In this video I will try to clean ac system but I replace compressor.
Ac system normally clean by nitrogen flash but you can clean it by petrol .
Car ac system flash. ac system clean. ac system fully black.
