1998 Honda Civic ac compressor

110,000 MILES • 4 CYL • FWD • AUTOMATIC
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EVOLUTION09
  • MEMBER
  • 24 POSTS
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
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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.

mark (mhpautos)
Jul 18, 2009 at 10:03 PM
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