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Old 06-06-2018, 12:25 PM   #1
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Default AC Compressor wont engage

My AC compressor on my 2003 Tahoe 4.8l wont engage. Hereís what Ive done so far:
-replaced low pressure switch located on accumulator and checked wiring. I have 4.8 volts at the switch
-replaced oriface tube
-vacuumed system and added as much freon as I could (almost 3 - 12oz cans) with the compressor not kicking on. Gauges show about 100 on high and low side
-checked voltage at compressor and I have 13.8v

At first the compressor would cut out intermittently but now its off all the time. Thanks for the help!
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Old 06-17-2018, 07:30 PM   #2
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What about the AC compressor coil thatís located between pulley and clutch?

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a/c, compressor, hot air

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