The A/C system shows good static pressure

Tiny
RFALLS2012
  • MEMBER
  • 2003 FORD FOCUS
  • 17,900 MILES
But the compressor cycles on and off on the low pressure control. How do I diagnose the problem? Static pressure is 70 psi
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Thursday, May 24th, 2012 AT 9:51 PM

3 Replies

Tiny
CADIEMAN
  • CERTIFIED MECHANIC
What is the psi when the clutch engauges on the low side.
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Thursday, May 24th, 2012 AT 10:07 PM
Tiny
RFALLS2012
  • MEMBER
It starts at 30-45 OSI and when the clutch engages it drops to 10 OSI and cuts off. I am doing a pressure test with nitrogen 110 pounds and it seems to be holding. I would like to know how I can trouble shoot this further - a restriction or some type of metering control device that allows refrigerant to go to the compressor. There's nothing in my chilton manual that will help answer my question. Thanks.
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Sunday, May 27th, 2012 AT 1:39 AM
Tiny
CADIEMAN
  • CERTIFIED MECHANIC
Sounds like the sys. Isnt full.
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Sunday, May 27th, 2012 AT 9:21 PM

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