1997 Mercury Sable compressor

Tiny
RBSABLE
  • MEMBER
  • 1997 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 132,000 MILES
What causes the compressor clutch to stop and start all the time by itself?
Sunday, June 14th, 2009 AT 1:55 PM

1 Reply

Tiny
JGAROFALO
  • MECHANIC
  • 489 POSTS
The compressor operation is controlled by pressures and demand. Switches within the system respond to changes in the internal pressures in the A/C system, and the compressor is cycled accordingly. This helps to prevent the system from icing up inside the car, and is the most efficient method of operating the A/C system.
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Saturday, June 20th, 2009 AT 7:52 PM

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