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Freon Gauge Fluctuation
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Question
FineVisionz
Hello,
I have 2003 GMC Senoma ZR5 and the aircondisioning hasn't been very cool so I went out and got some freon, but when I turn on the tuck, put the AC to max, and connect the freon to the low presure line port. The gauge goes up to about 110psi, then the clutch disengages then it lowers to about 17psi in about 3-4 seconds. Then the clutch will engage and it will rise back up to 110psi, then drop, then rise, then drop, ect. The temperature outside is around 85-90 degrees.
If you have any ideas on how to fix/explain whats happening, please let me know!
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