I changed the compressor on my car last weekend. I had the line of the compressor disconnected for 1/2 hour. I had to go to a corner garage to charge the system.

Question is how long should the system be purged when it is opened. The guy at the garage did it for 1/2 hour Is this enough, or will there be moisture inside.

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SANDEEEP
89 300SEL
230,000Km