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Mercury
Marquis
Climate Control
Air Conditioner
Compressor
Replace/Remove
A/C compressor still turns on and off after replacing A/C system
2006 MERCURY MARQUIS
109,000 MILES • V8 • 2WD • AUTOMATIC
LEONEL MARTINEZ
MEMBER
1 POST
My A/C system was replace A/C kit and condenser, but the A/C compressor still turns on and off.
Jun 5, 2020 at 1:02 PM
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JACOBANDNICKOLAS
✓
Experienced Mechanic
110,248 POSTS
Hi,
It is normal for the compressor to cycle on and off. There are pressure sensors which cause it to happen prior to damage being done.
Is the system cooling?
Let me know.
Joe
Jun 5, 2020 at 2:40 PM
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