AC clutch not cycling

Tiny
SUGARHILL7380
  • MEMBER
  • 2004 CHEVROLET 1500
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 103,000 MILES
So A/C was not as cold as should be. Used AC pro can. A/C was on bit low side. Filled up system a bit and everything seemed to work fine. Drove truck the next day and only blowing warm air. A/C clutch engaging for a second or two then shutting off. Put A/C pro gauge back on to check pressure. When clutch engages the pressure drops then shoots back up into yellow zone when clutch disengages. If the system is overcharged, how do I properly depressurize it?
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Thursday, August 3rd, 2017 AT 4:20 PM

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Tiny
KEN
  • ADMIN
Hello,

You might need to put both gauges on it to see whats going on. Here are a couple of guides that can help you get the problem fixed.

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

and

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Please let us know what happens.

Cheers, Ken
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Saturday, August 5th, 2017 AT 7:16 PM

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