im replacing my ac compressor and i want to know how to flush the ac system before i install the new ac compressor? thanks
Jul 18, 2009 at 5:15 PM
MHPAUTOS
✓Experienced Mechanic
31,937 POSTS
HI there,
You do not flush the system, when the new compressor is installed the system should be drawn done to a vacuum with a vacuum pump, this should be done for about 1/2 Hr and the system should hold a vacuum with the pump off, this is the leak testing as well.